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单词 colloid
释义

colloidadj.n.

Brit. /ˈkɒlɔɪd/, U.S. /ˈkɑˌlɔɪd/
Etymology: < Greek κολλο- combining form of κόλλα glue + -ειδης -form: see -oid suffix.
A. adj. Of the nature or appearance of glue.
1. Pathology. colloid substance, colloid tissue, colloid matter, colloid corpuscles, colloid spheres: a homogeneous or slightly granular gelatinous substance into which the cells are changed in certain forms of degeneration of tissue ( colloid degeneration, colloid metamorphosis). colloid cancer: a form of cancer in which colloid degeneration takes place.
ΘΚΠ
the world > health and disease > ill health > a disease > suppuration > [adjective]
fouleOE
festereda1398
quitterya1398
quittorousa1398
festrya1400
purulent?a1425
suppurate?a1425
matterativec1487
mattereda1500
mattery1527
attery1535
sanious1562
festering1563
matterish1566
infestered1570
ulcerated1580
suppurated1583
sordid1597
corsie1605
fistulating1607
rankling1631
suppurable1634
rancorous1635
undercotted1636
undercotting1637
suppuratory1659
puriform1668
quittorish1668
suppurating1671
scandalous1676
suppurative1746
suppurant1799
gleety1822
puruloid1846
pyoid1846
colloid substance1849
peptic1884
pussy1888
maturable1889
fretty1894
1849–52 Todd's Cycl. Anat. & Physiol. IV. i. 118/2 A form most distinct in..colloid cancer and fibrous tumours.
1870 T. Holmes Syst. Surg. (ed. 2) I. 576 A section of the tumour exhibited the simplest colloid structure.
1876 J. Van Duyn & E. C. Seguin tr. E. L. Wagner Man. Gen. Pathol. 329 Colloid metamorphosis consists in the transformation of tissues into a completely homogeneous, colorless or faint yellow, dull, translucent, sometimes fluid or soft, glue-like..substance.
2. Chemistry. Applied by Graham, 1861, to describe a peculiar state of aggregation in which substances exist; opposed to crystalloid. Substances in the colloid state are characterized by little or no tendency to diffuse through animal membranes or vegetable parchment, do not readily crystallize, are inert in their chemical relations, but are highly changeable. So called because gelatin may be taken as the type of the class.
ΘΚΠ
the world > matter > chemistry > physical chemistry > colloid > [adjective]
colloid1861
colloidal1861
1861 T. Graham in Philos. Trans. (Royal Soc.) 151 184 (note) Certain liquid colloid substances are capable of forming a jelly and yet still remain liquefiable by heat and soluble in water. Such is gelatine itself.
1867 H. Spencer First Princ. (ed. 2) ii. xiii. §101. 295 Matter has two solid states, distinguished as crystalloid and colloid; of which the first is due to union of the individual atoms or molecules, and the second to the union of groups of such individual atoms or molecules.
1869 M. Somerville Molecular & Microsc. Sci. i. iii. 110 Solutions of..crystalloids pass freely through colloid substances, such as parchment..and membrane, into water, though they have no pores.
3. Mineralogy. One of the forms in which minerals occur: see quot.
ΘΚΠ
the world > matter > chemistry > physical chemistry > colloid > [adjective] > mineral form
colloidal1864
colloid1879
1879 F. Rutley Study of Rocks x. 152 This condition as intermediate between the crystallised and the colloid forms of silica.
1885 A. Geikie Geol. ii. ii. ii. 62 Minerals..occur in four conditions, according to the circumstances under which they have been produced..1. Crystalline..2. Vitreous..3. Colloid, as a jelly-like though stony substance, deposited from aqueous solution. The most abundant mineral in nature which takes the colloid form is silica..4. Amorphous.
B. n.
1. Pathology. The colourless or yellowish transparent jelly-like substance formed in colloid degeneration; also a similar substance found normally in the thyroid gland.
ΘΚΠ
the world > life > the body > secretory organs > secretion > other secretions > [noun]
colloid1849
thyrocolloid1909
autacoid1914
the world > health and disease > ill health > a disease > suppuration > [noun] > pus or matter
wursomeOE
yousterc725
warec1175
quittorc1300
corrumpciona1340
humour1340
atter1398
mattera1400
pus?a1425
filthiness1525
corruption1526
filth1561
gear1562
sanies1562
baggage1576
purulence1598
suppuration1601
lye1615
congestion1634
colluvies1651
collution1657
colloid1849
purulage1898
1849–52 Todd's Cycl. Anat. & Physiol. IV. ii. 1116/2 But no example of colloid in it [thymus gland] has yet been detected.
1874 C. H. Jones & E. H. Sieveking Man. Pathol. Anat. 126 Colloid is related to the albuminates, and resembles mucin.
2. Chemistry (mostly plural). A colloid body or substance, as distinct from a crystalloid: see A. 2.
ΘΚΠ
the world > matter > chemistry > physical chemistry > colloid > [noun]
colloid1861
1861 T. Graham in Philos. Trans. (Royal Soc.) 151 183 It is proposed to designate substances of this class as colloids, and to speak of their peculiar form of aggregation as the colloidal condition of matter.
1869 M. Somerville Molecular & Microsc. Sci. i. iii. 109 Substances such as salts, sugars, etc., are much more diffusible than colloids or amorphous sticky bodies, such as gum, caramel, jellies.
1880 H. C. Bastian Brain i. 5 It is known..that certain typical colloids may, under some conditions, be converted into crystalloids.
This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2022).
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adj.n.1849
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