radiateadj.n.
/ˈreɪdɪeɪt/, /ˈreɪdɪət/, U.S. /ˈreɪdiˌeɪt/, /ˈreɪdiət/ A. adj.
1.
a. Having rays or parts diverging from a centre; (Botany, of the flower heads of certain plants, esp. ones of the family Asteraceae ( Compositae)) consisting of a circle of ray florets surrounding a central region of tubular florets.
ΘΚΠ
the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > arranged in a radiating manner
spoky1551
beamy1562
radiated1665
radiate1668
radiant1737
the world > plants > particular plants > plants and herbs > according to family > Compositae (composite plants) > [adjective] > of parts of composite plants
radiated1665
radiate1668
discoidal1706
discoid1712
disciform1830
obligulate1857
the world > space > relative position > inclination > divergence > [adjective] > characterized by radial divergence > having radiating parts
radiated1665
radiate1668
radial1722
rayed1853
sun-rayed1856
the world > matter > light > [adjective] > emitting rays > represented as having or sending out
radiant1614
radiated1655
radiate1757
1668 Bp. J. Wilkins Ess. Real Char. ii. iv. 84 Divided leaves; having a Radiate flower.
1731 P. Miller Gardeners Dict. I Corymbiferous Plants..Mr. Ray distinguishes them into such as have a radiate Flower, as the Sun-Flower, the Marygold, etc.
1757 R. Hurd Let. on Marks of Imitation 26 Antiently the Sun was commonly emblematiz'd by a starry or radiate figure.
1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. vi. 65 The flowers of this section are called radiate. Botanists have given the name of ray, to the set of semi-florets which compose the circumference.
1869 Amer. Naturalist 2 658 The earliest heads of flowers of Bidens frondosa are usually radiate, with from two to ten small rays.
1907 F. E. Clements Plant Physiol. & Ecol. v. 121 In radiate flowers, such as the asters, the protection of the disk florets by the rays is only partial.
1936 Ecology 17 387 There are numerous radiate flowers like anemones, buttercups, and chrysanthemums.
1988 Heredity 60 295 72 per cent of 336 visits [by pollinators] were to plants bearing radiate capitula.
b. Zoology. Radially symmetrical. Also: belonging to the former division Radiata (now chiefly historical).
ΘΚΠ
the world > animals > invertebrates > Radiata > [adjective]
radiate1841
rayed1841
trochocœlomate1884
1841 E. Forbes Hist. Brit. Starfishes 20 The Ophiuridæ are always regularly radiate.
1877 T. H. Huxley Man. Anat. Invertebrated Animals 591 The apparently radiate Echinus or Star-fish.
1940 L. H. Hyman Invertebrates I. viii. 662 The Ctenophora constitute the second and last of the radiate phyla.
1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) ix. 254/2 Subphylum 1. Echinozoa: Radiate echinoderms, usually globose or discoidal.
c. Botany. Of a plant, species, variety, etc.: having a radiate inflorescence.
ΚΠ
1878 H. C. Watson Let. 7 June in T. R. Archer Briggs Flora of Plymouth (1880) 205 I think Dr. Boswell would more rightly have named the Cork Groundsel as S. crassifolius, Willd... The ray is longer than in radiate vulgaris.
1927 G. C. Druce Flora Oxfordshire (ed. 2) 251 The earlier workers were content to name the type and the var. radiata, but radiate forms of the various varieties occur.
1955 Proc. Bot. Soc. Brit. Isles 1 476 The supposed hybrids with S. vulgaris were almost certainly the radiate form of the latter species.
2000 Systematic Bot. 25 560/2 Historically the three radiate species were recognized as separate varieties of R. californica.
2. Of material objects, parts, etc.: arranged like rays diverging from a centre.
ΘΚΠ
the world > space > relative position > inclination > divergence > [adjective] > characterized by radial divergence > arranged radially
radial?1597
spoked1597
spoky1601
radiated1703
radious1703
radiate1796
radialized1889
1796 H. Wansey Jrnl. Excursion to U.S. 222 The President's house will also stand on a rising ground, possessing a delightful water prospect, together with a commanding view of the Capitol, and the most material parts of the city, being likewise the centre of other radiate streets.
1822 J. M. Good Study Med. I. 298 A terminal mouth surrounded with two rows of radiate hooks or holders.
1877 C. H. Burnett Ear 65 The radiate fibres are strongly developed in comparison with the circular fibres.
1911 Bull. Torrey Bot. Club 38 510 These radiate cells in H. latifolia often in form suggest Asteroid or Ophiuroid ‘star-fishes’.
1956 Micropaleontology 2 373/2 Globorotalia was developed from members of the Globotruncanidae with a single keel and radiate ventral sutures.
1999 Amer. Jrnl. Archaeol. 103 228/2 I interpret the three radiate lines on the preserved portion of his head as possibly a himation over a sakkos.
3. = radial adj. 5.
ΘΚΠ
the world > space > relative position > inclination > divergence > [adjective] > characterized by radial divergence > specifically of immaterial things
radiated1702
radial1833
radiate1852
1852 W. H. Harvey Nereis Boreali-Americana i. 97 in Smithsonian Contrib. Knowl. 3 A number of rather long, narrow perforations, arranged in a radiate form, give the frond the appearance of a cut fan.
1859 J. Tomes Syst. Dental Surg. 394 The radiate direction followed by the enamel fibres must be borne in mind.
1878 Encycl. Brit. VIII. 816/1 The compound eye..consists essentially of a series of transparent cone-like bodies, arranged in a radiate manner against the inner surface of the cornea.
1895 A. Harker Petrol. vii. 92 The finest micrographic intergrowth tends especially to a stellate or radiate (‘centric’) arrangement, with or without a nucleus of an earlier crystal.
1902 Jrnl. Anthropol. Inst. 32 359 Instead of the lineal arrangement, a radiate grouping is suggested.
2005 Phycologia (Nexis) 44 254 Development of germlings may be in a radiate arrangement or all the germlings may be oriented toward one pole of the mother-cell wall.
B. n.† 2. A ray or ray-like projection. Obsolete. rare.
1. A radiate animal; an invertebrate of the former division Radiata. Now historical.
ΘΚΠ
the world > animals > invertebrates > Radiata > [noun] > member of
radiary1826
radiate1854
1854 R. W. Emerson Poetry & Imag. in Wks. (1906) III. 141 From radiate, mollusk,..up to man.
1863 J. D. Dana Man. Geol. 158 The sub-kingdom of Radiates contains three classes.
1883 Cent. Mag. Sept. 732/1 The embryology of radiates, crustacea, and worms.
1969 E. Mayr Princ. Systematic Zool. iv. 59 His [sc. Cuvier's] insistence on the total independence of four major types..—vertebrates, mollusks, arthropods, and radiates—was the death knell of the scala naturae which had still dominated Lamarck's classification.
2004 Nature 6 May 18/1 Cuvier, the most powerful comparative anatomist of the age, had divided the animal kingdom into four completely separate branches: vertebrates, articulates,..molluscs and radiates.
ΘΚΠ
the world > matter > light > [noun] > ray or beam > emission of
beaming1398
radiationa1500
radiancea1593
radiancy1595
irradiation1599
eradiation1633
irradiancy1646
actinobolism1654
radiature1663
effulgence1667
irradiance1667
circumradiancy1673
diradiation1706
beaminess1741
raying1787
rayonnance1848
radiate1889
1889 Amer. Chem. Jrnl. 11 82 The tin salt crystallised out in transparent, shining needles, arranged in clusters of radiates about nuclei.
3. A classical coin depicting rays issuing from a central device such as a crown, head, etc.
ΘΚΠ
society > trade and finance > money > medium of exchange or currency > coins collective > classical coins > [noun] > bearing specific device
bigate1600
quadrigate1600
victoriate1601
ox1607
cistophorus1848
radiate1932
1932 C. F. Price Wesleyan's First Cent. viii. 136 Yale presented the Wesleyan with a collection of radiates.
1974 Sci. Amer. Dec. 122/3 The radiate was by then reckoned to be equal to two of the seldom-seen denarii.
1986 Numismatic Chron. 146 107 (title) The Meare Heath, Somerset, Hoard and the Coinage of barbarous Radiates.
1999 Britannia 30 320 The hoard comprised mainly debased radiates.
Compounds
radiate crown n. [after classical Latin radiāta corōna; compare earlier radiated crown at radiated adj. 1a] (esp. in classical art) a crown depicted with rays issuing from it.
ΘΚΠ
society > communication > indication > insignia > heraldic devices collective > representations of articles of clothing > [noun] > crowns and coronets
triple crown1555
coronet1709
radiate crown1752
tiara1780
Venice crownc1828
1752 W. Stukeley Palæographia Britannica III. 19 That he has on, a radiate crown is no more to be wonder'd at, than that Carausius himself is so ornamented.
1769 Defoe's Tour Great Brit. (ed. 7) III. 139 Those Pieces that have radiate Crowns on the Heads of the Effigies, they call Saracens Heads.
1874 Amer. Cycl. V. 523/1 Radiate crowns attributed to gods and deified heroes and emperors.
1932 Jrnl. Rom. Stud. 22 115 Bust of a youthful god with curled hair, wearing a radiate crown.
1991 Jrnl. Hist. of Collections 3 168/1 The coin used as a model, calling Augustus divus and showing him with the radiate crown of divinity, was struck after his death.
2004 Times (Nexis) 21 Dec. 49 He defined..Christ's crown..as a mocking version of the radiate crown known from Seleucid and Roman coins.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
radiatev.
/ˈreɪdɪeɪt/, U.S. /ˈreɪdiˌeɪt/ I. Senses relating to the emission of rays.
1.
a. intransitive. To emit rays of light; to shine brightly. Frequently in extended use.
ΘΚΠ
the world > matter > light > shine [verb (intransitive)] > emit rays
rowa1393
radiate1598
beam1641
irradiate1642
outray1642
eradiate1647
ray1647
the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > emit rays of light [verb (intransitive)]
radiate1598
1598 J. Florio Worlde of Wordes at Radiare To shine.., to ray, to radiate.
1649 J. Howell in Ld. Herbert Life Henry VIII sig. A5v Vertues shine more clear In Them, and radiat like the Sun at Noon.
1678 R. Cudworth tr. Plato in True Intellect. Syst. Universe i. iv. 454 The Fixed stars..strongly radiate with their light upon our eyes.
1728 E. Chambers Cycl. at Mirror The Object A radiates reflectedly, in the same manner as it would do directly.
1768 A. Tucker Light of Nature Pursued II. ii. 278 Everything set forth in our Theory radiates, as the saying is, with its own lustre.
1852 ‘I. Marvel’ Dream Life 17 It radiates like a star, God-ward and earthward.
1865 T. Carlyle Hist. Friedrich II of Prussia VI. xx. viii. 218 The..brow of Maria Theresa..did not radiate in response; but gloomed indignantly.
1913 D. H. Lawrence Sons & Lovers xii. 340 Her pride had been wounded... Now she radiated with joy and pride again.
1982 Times 16 Apr. 9/4 She radiates with warmth and approachable beauty.
1996 A. Michaels Fugitive Pieces ii. 211 Afterwards, I stepped from Salman's office into the street; the October twilight was radiating with a pure pale gegenschein.
b. intransitive. Of light, heat, or energy of any kind: to issue or travel as rays. Also figurative.
ΘΚΠ
the world > matter > light > shine [verb (intransitive)] > emit rays > be emitted in the form of rays
standOE
ray1598
shoot1693
radiatea1704
pencila1774
the world > matter > properties of materials > temperature > heat > be hot [verb (intransitive)] > of heat: issue in rays
radiatea1704
a1704 J. Locke Elem. Nat. Philos. xi, in Coll. Several Pieces (1720) 216 Light..as it radiates from luminous bodys directly to our Eyes.
1746–7 J. Hervey Medit. (1818) 263 A richer lustre than that which radiates from thy resplendent orb.
1824 Lancet 5 June 304/2 The heat which we feel when we approach within a short distance of a red hot cannon ball is that which is radiating from the surface of the ball.
1854 D. Brewster More Worlds ix. 158 Those eastern lands,..from which the beams of knowledge first radiated on mankind.
1872 J. Yeats Techn. Hist. Commerce 143 Each monastery was a luminous point, whence the light of civilisation radiated into the darkness around.
1949 A. C. Walshaw Heat Engines (ed. 3) i. 10 The continual stream of energy which radiates from the sun.
1991 M. Dorris & L. Erdrich Crown of Columbus xvii. 291 Shafts of light radiated through the aqua depths.
c. intransitive. Originally: to emit rays of heat. Later more widely: to emit energy of any kind in the form of rays or waves (esp. electromagnetic waves), or subatomic particles. Cf. radiation n. 1b, 1c.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > emit [verb (intransitive)]
radiate1722
the world > matter > physics > electromagnetic radiation > heat > emit rays [verb (intransitive)]
radiate1722
the world > matter > properties of materials > temperature > heat > be hot [verb (intransitive)] > of heat: issue in rays > emit rays of heat
radiate1722
the world > matter > physics > science of sound > sound-waves > emit sound-waves [verb (intransitive)]
radiate1962
the world > matter > physics > energy or power of doing work > energy [verb (intransitive)] > emit energy
radiate1978
the world > matter > physics > atomic nucleus > radioactivity > emit radiation [verb (intransitive)]
radiate1978
1722 E. Strother Diss. Ingraftment Small-pox 40 Particles apt to produce Heat, only radiate where they exist, or at most, so far as their Sphere of Activity reaches.
1833 N. Arnott Elements Physics (ed. 5) II. 41 Metal with a scratched or roughened surface radiates or receives much more rapidly than polished metal.
1884 A. Daniell Textbk. Princ. Physics xv. 443 Were this not so, and did a hot surface radiate equally in all directions, then a body placed within a hot enclosure might become hotter than the walls of that enclosure.
1962 A. Nisbett Technique Sound Studio iii. 64 Remembering that it is the soundboard that is radiating, an alternative is to move the piano well away from the wall.
1978 Nature 2 Mar. 37/1 The ability of degenerate dwarfs..to radiate at X-ray wavelengths has created much theoretical interest.
1990 Sci. Amer. Apr. 48/3 High-energy electrons spiral around magnetic fields and radiate as they move.
d. transitive. Originally: to emit (light or heat) in rays. Later more widely: to emit (energy of any kind) in the form of rays, waves, or subatomic particles. Also with away.
ΘΚΠ
the world > matter > light > shine [verb (transitive)] > emit rays
beamc1440
beglitter1582
brandish1605
embeam1610
diradiate1651
ray1658
eradiate1678
radiate1794
the world > matter > physics > energy or power of doing work > supply with energy [verb (transitive)] > emit energy
radiate1794
the world > matter > physics > electromagnetic radiation > heat > emit in rays [verb (transitive)]
radiate1794
the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > radiate or transmit light [verb (transitive)]
diradiate1651
traject1657
transmit1664
eradiate1678
radiate1794
propagate1854
the world > matter > properties of materials > temperature > heat > [verb (transitive)] > emit (heat) in rays
radiate1860
1794 J. Hutton Diss. Philos. Light iii. 86 If bodies truly radiate either invisible light or reflexible heat,..this may be rendered sensible in its effects, by means of the concentrating mirrors.
1860 J. Tyndall Glaciers of Alps ii. iii. 242 If..we stand before a wall of ice, the wall radiates heat to us, as we also radiate heat to it.
1868 J. N. Lockyer Elem. Lessons Astron. ii. 51 The Sun sends out, or radiates, its light and heat in all directions.
1935 G. Santayana Last Puritan ii. ix. 170 The sand and the dust of pine needles under foot radiated heat like an oven.
1978 Nature 27 Apr. 784/2 Stars radiate their heat away, and must burn nuclear fuel to keep going.
1990 J. Gribbin & M. Rees Cosmic Coincidences (1991) vii. 194 When such a superconducting string oscillates, it radiates not only gravitational waves but electromagnetic waves as well.
1994 N.Y. Times 20 Dec. c1/5 If fusion were achieved, a microbubble could be expected to radiate neutrons.
2. transitive. To illuminate (literally and figuratively). Now rare.
ΘΚΠ
the world > matter > light > illumination > illuminate [verb (transitive)] > with rays of light
radiate1652
1652 E. Benlowes Theophila v. 72 Diamonds, did..lavish out their Beams, to radiate that Fire..Whose Amber-curling Tresses were..about the snowy Shoulders sweetly wound.
1658 Hewyt's Nine Serm. To Rdr. That glorious light, which continually..did radiate the souls of his faithful Auditory.
1761 Christian's Mag. Apr. 186/1 Soon the brilliant moon again Shall radiate all the firmamental plain.
1795 A. B. Cristall Poet. Sketches 41 Fame, Holbain cried, like a celestial light Radiates pure truth, and makes e'en virtue bright.
1831 Fraser's Mag. 3 482 The..pleasurable feelings which..radiate the broad disk of our..face.
1932 Times 15 Mar. 16/1 The Marlborough Club, which he..frequented with assiduity, and radiated with his unparalleled charm.
3. transitive. To subject to the action of (esp. ionizing) radiation; to irradiate.
ΚΠ
1919 Lancet 6 Dec. 1018/2 Dr. Howard Kelly uses a gramme to radiate the uterus through the abdominal wall.
1962 M. Kelly Due to Death vii. 107 If we radiate ourselves out of existence, if every blade of grass is mutated out of all recognition, life will go on in some form.
1985 A. Lurie Foreign Affairs i. 20 ‘This stuff tastes like silage.’.. ‘They must do something funny to it. Radiate it or something.’
1998 S. Orlean Orchid Thief 151 We took the germinating material and radiated it. We hoped to get some interesting mutations.
II. Senses relating to divergence from a centre.
4.
a. intransitive. Of immaterial things: to diverge or diffuse outwards from a central point.In quot. a1620 perhaps figurative from sense 1a.
ΘΚΠ
the world > movement > motion in a certain direction > going away > go away [verb (intransitive)] > move out from the centre
radiatea1620
irradiate1677
to throw out1772
a1620 M. Fotherby Atheomastix (1622) ii. ii. §8. 209 The Holy and vndiuided Trinitie..is easily able to fill it, and to radiate into euery corner of it.
1694 T. Taylor tr. N. Malebranche Treat. Search after Truth ii. 138 The Traces which their Presence imprints on our Brain are very deep, and the Motions of the Spirits rapid; they radiate, as I may say, through all the Body.
1749 J. Cleland Mem. Woman of Pleasure I. 120 Charles..imprinted on my lips one of his burning rapture-kisses, which darted a flame to my heart, that from thence radiated to every part of me.
1760 L. Carter Let. to Lord B—p of L—n 38 Perhaps it is from thence, as from a feeling Center, all your Fears and Apprehensions radiate.
1807 J. Barlow Columbiad iv. 157 Soul-searching Freedom! here assume thy stand, And radiate hence to every distant land.
1871 S. Smiles Character ii. 41 Philanthropy radiates from the home as from a centre.
1925 F. S. Fitzgerald Great Gatsby v. 108 He literally glowed; without a word or a gesture of exultation a new well-being radiated from him and filled the little room.
1970 A. Toffler Future Shock i. 17 The network of social ties is so tightly woven that the consequences of contemporary events radiate instantaneously around the world.
2002 Phoenix 56 85 The emperors..provided administrative hubs and model cities from which Roman culture was to radiate out to the natives.
b. intransitive. Of material structures: to diverge outwards from a central point.
ΘΚΠ
the world > space > relative position > inclination > divergence > diverge [verb (intransitive)] > radiate
deradiate1649
ray1659
radiate1670
1670 J. Evelyn Sylva (ed. 2) xxiv. 117 Cut away all the forked branches, reserving onely such as radiate directly from the body.
1728 Philos. Trans. 1727–8 (Royal Soc.) 35 481 In this Stone the Iron radiates from Points forming Segments of Spheres.
1742 B. Martin Micrographia Nova x. 29 They radiate or spread like the Sticks in a Fan towards the curv'd extremity.
1826 W. Kirby & W. Spence Introd. Entomol. III. 22 The Trachean Arachnida have only a pair of spiracles, from which the tracheæ must radiate, if I may so apply the term, in order to convey the necessary supply of air to every part of the body.
1880 A. Gray Struct. Bot. iii. §4. 92 Flabellinerved, where straight nerves and ribs radiate from the apex of the petiole, as in Fan-palms.
a1933 J. A. Thomson Biol. for Everyman (1934) I. v. 99 Its beautifully marked tentacles radiate around the disk..presenting a somewhat stellate appearance.
1961 New Scientist 24 Aug. 451 The innumerable trails that radiate from each cattle boma.
1997 Independent 15 Sept. 14/7 Sustrans is gradually piecing together a 6,500-mile network of cycle routes that will radiate throughout the country.
c. transitive. To spread or disseminate as from a centre; to exude an aura or atmosphere of (love, happiness, power, etc.).
ΘΚΠ
the world > space > extension in space > spreading or diffusion > [verb (transitive)] > from a main source or centre
spread?c1225
disperse1555
radiate1786
the world > movement > motion in a certain direction > going away > causing to go away > command to go away [verb (transitive)] > send (something) in all directions from centre
divide1595
irradiatea1617
radiate1786
1786 Green-room Mirror 33 The Man of the World must shine with a superior lustre, and radiate his fame.
1821 P. B. Shelley Epipsychidion 20 From her presence life was radiated Through the grey earth.
1872 W. R. Greg Enigmas (1873) 271 Those whom he softens and purifies that they may radiate love and serenity around them.
1883 R. L. Stevenson Silverado Squatters 174 He then thanked me profusely..and took himself solemnly away, radiating dirt and humbug as he went.
1916 E. H. Porter Just David x. 141 David's face radiated delight.
1984 A. Lee Sarah Phillips 36 She radiated a fresh scent of soap and shampoo.
1999 N.Y. Times (Nexis) 16 Mar. e3/1 Acrobats who radiate humanity, thrusting like knives and soaring like slender, plumy birds.
5. intransitive. To converge to or towards a centre. Now rare.
ΘΚΠ
the world > movement > motion in a certain direction > movement towards a thing, person, or position > move towards [verb (intransitive)] > towards a centre > of people
settle?a1400
radiate1746
the world > space > relative position > inclination > state or quality of being convergent > converge [verb (intransitive)]
close1551
concur1570
collineatea1631
concentrate1640
converge1691
corradiate1800
approximate1835
concentre1853
navel1855
radiate1866
1746 G. Adams Micrographia Illustrata xxxiii. 226 The Bladders all radiate exactly to the centre of the stone.
1761 London & Environs Described IV. 103 Whence arose the noble column the Monument..where eight streets would radiate upon it.
1835 N. P. Willis Pencillings I. iii. 27 Repelling the beggars who radiated to us from every corner.
1866 J. E. T. Rogers Hist. Agric. & Prices I. xxi. 543 A circumference of timber firmly mortised together, with spokes radiating to an axle.
1921 V. Woolf Monday or Tuesday 36 Radiating to a point men's feet and women's feet, black or gold-encrusted.
2006 Bangor (Maine) Daily News (Nexis) 3 Jan. c1 Tiny carved lines radiate toward the center.
6. transitive. To transmit (radio waves); to broadcast (a programme) (now rare). Also intransitive.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > emit [verb (transitive)]
radiate1898
society > communication > telecommunication > radio communications > communicate by radio [verb (transitive)] > transmit by radio
marconi1908
wireless1910
radio1919
radiate1923
to call in1939
squirt1971
1898 Science 10 June 791/2 The discharge from the coil passes between two brass balls about 1½ inches apart, thus giving rise to electro-magnetic waves which are radiated in all directions.
1902 Daily Herald (Delphos, Ohio) 10 Feb. 3/4 From the top of the pole, the Hertzian waves are radiated off into space.
1923 Radio Times 28 Sept. 12/3 A ninety-minute excerpt..will be simultaneously radiated from all other stations.
1951 Times 4 Jan. 7/6 Items, mainly music, are selected from one of the three home services. They are radiated simultaneously by a 25-kw. frequency modulated (f.m.) transmitter..and a standard amplitude modulated transmitter.
1960 Pract. Wireless 36 414/2 The VHF transmitter also radiates during daylight but continues throughout the hours of darkness.
1986 T. Clancy Red Storm Rising (1988) xx. 278 The fundamental choice was whether or not to radiate, to use their radar transmitters.
2003 J. Dawson & S. Propes 45 RPM ii. 12 Gradually Sarnoff saw his future in the new ‘wireless telegraph’, which by 1912 became known as ‘radio’ because wireless transmitters radiated..signals in all directions.
7. intransitive. Biology. Of an animal or plant lineage: to diversify and spread into different habitats or niches as part of a process of evolutionary divergence. Cf. radiation n. 6.
ΘΚΠ
the world > life > biology > balance of nature > distribution > [verb (intransitive)]
radiate1923
1871 Amer. Naturalist 5 592 The Percesoces give us our nearest connection with the groups with abdominal ventral fins, and lead us at once to the Percomorphi. From this centre radiate many lines of affinity.]
1900 Science 13 Apr. 564/2 Thus Arctogæa containing the broadest and most highly diversified land area, appears hypothetically as the center in which fourteen primitive and specialized orders radiated from each other.
1923 F. W. Jones Mammals S. Austral. i. 24 A stock will become progressively altered by adaptation to its environment as it radiates from its centre of domicile.
1978 Sci. Amer. Sept. 111/1 Many of the early amphibian lineages..radiated into the available habitats, becoming herbivores and predators on many food items in aquatic, semiaquatic and terrestrial settings.
1991 R. M. Forester in D. D. Williams & H. V. Danks Arthropods of Springs Mem. Entomol. Soc. Canada No. 155 181 Ostracodes..have radiated into virtually all oxygenated aquatic environments that persist for more than about a month.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online June 2022).
<
adj.n.1668
v.1598- planigraphs
- planigraphy
- planilla
- planiloquent
- planiloquy
- planimeter
- planimeters
- planimetric
- planimetric function
- planimetrical
- planimetrically
- planimetries
- planimetry
- planing
- planing axe
- planing iron
- planing machine
- planing mill
- planing table
- planing tool
- planing-steel
- planingsteel
- planipennate
- planipennine
- planipetalous