filtraten.

Brit.

/ˈfɪltreɪt/, U.S.

/ˈfɪlˌtreɪt/

Origin: Probably a borrowing from German. Etymon: German Filtrat.

Etymology: Probably < German Filtrat (1840 or earlier; < post-classical Latin filtrare (see filter v.) + German -at -ate suffix¹), with remodelling of the second element after -ate suffix¹ 1. Compare earlier filtrate v.

Chemistry and Biology.

A liquid that has passed through a filter.

ΘΚΠ

the world > movement > motion in a certain direction > movement over, across, through, or past > [noun] > through any medium or space > passing through a porous medium > that which has passed through

transudation1650

filtrature1659

filtrate1843

transudate1876

1843 C. R. Fresenius & H. Will New Methods Alkalimetry xiv. 58 A small portion of the fluid is then filtered off, and this filtrate tested with Georgina paper.

1875 C. Darwin Insectivorous Plants vi. 89 The filtrate contained as much of the fibrin as had been digested.

1953 R. W. Fairbrother Text-bk. Bacteriol. (ed. 7) xxiv. 313 The filtrate was a brown, syrupy fluid.

2006 L. Collier & J. Oxford Human Virol. (ed. 3) i. 4/1 Foot-and-mouth disease of cattle was also transmitted by bacteria-free filtrates.

Compounds

filtrate factor n. Biochemistry (now chiefly historical) any of various water-soluble substances identified as being essential for the growth of some organism; spec. pantothenic acid.

ΘΚΠ

the world > life > biology > substance > process stimulators or inhibitors > growth regulators or factor > [noun]

augmentor1910

growth factor1928

filtrate factor1936

growth regulator1936

morphogen1952

kinin1956

xanthoxin1970

the world > life > biology > laboratory analysis > material > [noun] > other preparations

muscle-plasma1871

celloidin1883

muscle plasm1890

polychrome methylene blue1895

tuberculoplasmin1898

radiobe1905

perfusate1915

lysate1922

ultrafiltrate1928

filtrate factor1936

thermode1938

homogenate1941

haemolysate1952

thiomersal1958

superfusate1961

liposome1968

perifusate1969

virosome1970

1936 Jrnl. Biol. Chem. 114 121 The ‘filtrate factor’, a dietary essential for the chick, belonging to the vitamin B complex.

1965 Mycologia 57 273 For M[orchella] crassipes the beneficial effect is accounted for mainly..by the minerals supplied by the natural product, especially Mn and Ca. These two elements make up the ‘filtrate factor’ previously reported for this fungus.

1990 J. Elks & C. R. Ganellin Dict. Drugs: Chem. Data 930/2 Pantothenic acid... Growth-promoting and antidermatitic factor (‘Filtrate factor’) of vitamin B complex, present in living cells, particularly of the liver.

This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022).

filtratev.

Brit.

/ˈfɪltreɪt/, U.S.

/ˈfɪlˌtreɪt/

Forms: 1600s filterate, 1600s filtrat, 1600s– filtrate.

Origin: A borrowing from Latin. Etymons: Latin filtrat-, filtrare.

Etymology: < post-classical Latin filtrat-, past participial stem (see -ate suffix³) of filtrare filter v. Compare earlier filtration n. and filter v., and the foreign-language forms cited at those entries.

1. transitive. To pass (a liquid) through a filter or porous medium in order to remove impurities; to subject to filtration. Also figurative. Cf. filter v. 1.

ΘΚΠ

the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > filter [verb (transitive)]

drainc1000

felter1563

filter1576

transcolate1615

filtrate1639

1639 J. Woodall Surgeons Mate (rev. ed.) 245 Calcine them, and after inbibe and filtrate them.

1663 R. Boyle Some Considerations Usefulnesse Exper. Nat. Philos. ii. 127 Which grosser parts, when the Mixture was filtrated through Cap-paper, remain'd.

1764 T. Harmer Observ. Passages Script. iv. 192 They filtrate it [sc. the wine of Schiras] through a cloth, and then it is very clear.

1791 J. Boswell Life Johnson anno 1776 II. 68 [Johnson:] He never clarified his notions, by filtrating them through other minds.

1852 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. II. xxiv. 439 Leaves of the plantain..used to filtrate the liquids.

1885 H. N. Oxenham Short Stud. 331 A Christianity filtrated of all its sectarian dogmas.

1906 London, Edinb., & Dublin Philos. Mag. 6th Ser. 12 186 The above preparation of actinium..was obtained by filtrating the precipitate immediately after adding the ammonia.

1969 Radiation Res. 38 552 The cell suspension was filtrated through four layers of gauze.

2013 R. House Kills (2014) 281 If we need water, we filtrate it ourselves.

†2. transitive. To exude or give out through pores or holes (without implication of removing impurities); = filter v. 4. Obsolete.

ΘΚΠ

the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > filter [verb (transitive)] > cause to percolate

filter1582

percolate1626

filtrate1682

leach1796

1682 R. Boyle Contin. New Exper. Physico-mech.: 2nd Pt. Index A vessel by which Air may be filtrated thorough Water.

1736 S. Humphreys tr. N. A. Pluche Spectacle de la Nature III. 84 Those who attribute the Rise of Springs to the Sea-Water, filtrated thro' the Pores of the Earth.

1794 R. J. Sulivan View of Nature I. 68 The waters, filtrated through these bodies.

3. intransitive. To pass through a filter; to percolate or seep through a porous medium. Also figurative. Cf. filter v. 3.

ΘΚΠ

the world > movement > motion in a certain direction > movement over, across, through, or past > [verb (intransitive)] > through > through a porous medium

sipec1000

oozea1398

soakc1440

filter1576

strain1590

transude1664

percolate1684

transudate1684

filtrate1686

seep1790

leach1883

1686 W. Harris tr. N. Lémery Course Chym. (ed. 2) 16 A Saline juice..insinuates and filtrates into the Fibres that constitute the Plant.

1725 R. Bradley Chomel's Dictionaire Œconomique at Milk A white Liquor which filtrates thro' the Glands of Women's Breasts.

1780 Philos. Trans. (Royal Soc.) 70 480 Digging a pit into the sand..into which the water filtrates from all sides.

1834 T. Pringle Afr. Sketches ii. vi. 210 Through which the stream..filtrates silently and unperceived.

1876 Tinsleys' Mag. Jan. 43/1 The corruptions of the higher stratum of society had been slowly filtrating to the lower.

1922 D. C. Brewer Peril of Republic iv. 40 They filtrated through and penetrated into the midst of peoples semi-decadent or too slothful to notice what was happening to them.

1972 Atlanta Daily World 14 May 2/3 European customs..have filtrated into the bloodstream of the American mode of living.

2002 G. Delforge Musculoskeletal Trauma i. 12 A small amount of..fluid that continually filtrates through the capillary walls.

Derivatives

ˈfiltrated adj.

ΘΚΠ

the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > [adjective] > filtered or percolated

filtered?1600

filtrated1663

percolated1672

leached1837

1663 R. Boyle Some Considerations Usefulnesse Exper. Nat. Philos. ii. 127 A very strong (though clear and well filtrated) Lixivium of Pot-ashes.

1731 A. Stuart in Philos. Trans. 1729–30 (Royal Soc.) 36 356 A small Quantity of filtrated Bile.

1832 W. Macgillivray Trav. & Researches A. von Humboldt xxiv. 350 The filtrated water losing itself in the crevices.

1908 World To-day (Chicago) May 486 For years the outside world has been reading from filtrated sources, wonderful tales of the building of these subways and tunnels.

1996 U.S. Patent 5,535,591 2 The resultant slag residue or ash and the filtrated material..can stay directly underground.

ˈfiltrating n.

ΘΚΠ

the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > [noun]

leachinga900

filtering1576

excolation1578

filtration1602

percolation1613

transcolation1634

filtrating1662

membrane filtration1931

polishing1938

1662 H. Stubbe Indian Nectar vii. 176 Besides what was lost in filtrating, and other contingencies.

1728 E. Chambers Cycl. at Filtration The most commodious way of filtrating is by brown Paper.

1866 Farmer's Mag. Nov. 411/2 The perforated casing of the single vertical pot-barley cylinder..acts both as a grinding surface and a filtrating medium.

1914 Railway Rev. 24 Jan. 139/1 There is no separation or filtrating of the tar oil.

1989 M. Riederer in E.-D. Schulze et al. Forest Decline & Air Pollution 162 Filtrating of the extract with thoroughly extracted glass wool is advisable.

This entry has been updated (OED Third Edition, September 2016; most recently modified version published online June 2022).

单词	filtrate
释义	filtraten. Brit. /ˈfɪltreɪt/, U.S. /ˈfɪlˌtreɪt/ Origin: Probably a borrowing from German. Etymon: German Filtrat. Etymology: Probably < German Filtrat (1840 or earlier; < post-classical Latin filtrare (see filter v.) + German -at -ate suffix¹), with remodelling of the second element after -ate suffix¹ 1. Compare earlier filtrate v. Chemistry and Biology. A liquid that has passed through a filter. ΘΚΠ the world > movement > motion in a certain direction > movement over, across, through, or past > [noun] > through any medium or space > passing through a porous medium > that which has passed through transudation1650 filtrature1659 filtrate1843 transudate1876 1843 C. R. Fresenius & H. Will New Methods Alkalimetry xiv. 58 A small portion of the fluid is then filtered off, and this filtrate tested with Georgina paper. 1875 C. Darwin Insectivorous Plants vi. 89 The filtrate contained as much of the fibrin as had been digested. 1953 R. W. Fairbrother Text-bk. Bacteriol. (ed. 7) xxiv. 313 The filtrate was a brown, syrupy fluid. 2006 L. Collier & J. Oxford Human Virol. (ed. 3) i. 4/1 Foot-and-mouth disease of cattle was also transmitted by bacteria-free filtrates. Compounds filtrate factor n. Biochemistry (now chiefly historical) any of various water-soluble substances identified as being essential for the growth of some organism; spec. pantothenic acid. ΘΚΠ the world > life > biology > substance > process stimulators or inhibitors > growth regulators or factor > [noun] augmentor1910 growth factor1928 filtrate factor1936 growth regulator1936 morphogen1952 kinin1956 xanthoxin1970 the world > life > biology > laboratory analysis > material > [noun] > other preparations muscle-plasma1871 celloidin1883 muscle plasm1890 polychrome methylene blue1895 tuberculoplasmin1898 radiobe1905 perfusate1915 lysate1922 ultrafiltrate1928 filtrate factor1936 thermode1938 homogenate1941 haemolysate1952 thiomersal1958 superfusate1961 liposome1968 perifusate1969 virosome1970 1936 Jrnl. Biol. Chem. 114 121 The ‘filtrate factor’, a dietary essential for the chick, belonging to the vitamin B complex. 1965 Mycologia 57 273 For M[orchella] crassipes the beneficial effect is accounted for mainly..by the minerals supplied by the natural product, especially Mn and Ca. These two elements make up the ‘filtrate factor’ previously reported for this fungus. 1990 J. Elks & C. R. Ganellin Dict. Drugs: Chem. Data 930/2 Pantothenic acid... Growth-promoting and antidermatitic factor (‘Filtrate factor’) of vitamin B complex, present in living cells, particularly of the liver. This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022). filtratev. Brit. /ˈfɪltreɪt/, U.S. /ˈfɪlˌtreɪt/ Forms: 1600s filterate, 1600s filtrat, 1600s– filtrate. Origin: A borrowing from Latin. Etymons: Latin filtrat-, filtrare. Etymology: < post-classical Latin filtrat-, past participial stem (see -ate suffix³) of filtrare filter v. Compare earlier filtration n. and filter v., and the foreign-language forms cited at those entries. 1. transitive. To pass (a liquid) through a filter or porous medium in order to remove impurities; to subject to filtration. Also figurative. Cf. filter v. 1. ΘΚΠ the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > filter [verb (transitive)] drainc1000 felter1563 filter1576 transcolate1615 filtrate1639 1639 J. Woodall Surgeons Mate (rev. ed.) 245 Calcine them, and after inbibe and filtrate them. 1663 R. Boyle Some Considerations Usefulnesse Exper. Nat. Philos. ii. 127 Which grosser parts, when the Mixture was filtrated through Cap-paper, remain'd. 1764 T. Harmer Observ. Passages Script. iv. 192 They filtrate it [sc. the wine of Schiras] through a cloth, and then it is very clear. 1791 J. Boswell Life Johnson anno 1776 II. 68 [Johnson:] He never clarified his notions, by filtrating them through other minds. 1852 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. II. xxiv. 439 Leaves of the plantain..used to filtrate the liquids. 1885 H. N. Oxenham Short Stud. 331 A Christianity filtrated of all its sectarian dogmas. 1906 London, Edinb., & Dublin Philos. Mag. 6th Ser. 12 186 The above preparation of actinium..was obtained by filtrating the precipitate immediately after adding the ammonia. 1969 Radiation Res. 38 552 The cell suspension was filtrated through four layers of gauze. 2013 R. House Kills (2014) 281 If we need water, we filtrate it ourselves. †2. transitive. To exude or give out through pores or holes (without implication of removing impurities); = filter v. 4. Obsolete. ΘΚΠ the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > filter [verb (transitive)] > cause to percolate filter1582 percolate1626 filtrate1682 leach1796 1682 R. Boyle Contin. New Exper. Physico-mech.: 2nd Pt. Index A vessel by which Air may be filtrated thorough Water. 1736 S. Humphreys tr. N. A. Pluche Spectacle de la Nature III. 84 Those who attribute the Rise of Springs to the Sea-Water, filtrated thro' the Pores of the Earth. 1794 R. J. Sulivan View of Nature I. 68 The waters, filtrated through these bodies. 3. intransitive. To pass through a filter; to percolate or seep through a porous medium. Also figurative. Cf. filter v. 3. ΘΚΠ the world > movement > motion in a certain direction > movement over, across, through, or past > [verb (intransitive)] > through > through a porous medium sipec1000 oozea1398 soakc1440 filter1576 strain1590 transude1664 percolate1684 transudate1684 filtrate1686 seep1790 leach1883 1686 W. Harris tr. N. Lémery Course Chym. (ed. 2) 16 A Saline juice..insinuates and filtrates into the Fibres that constitute the Plant. 1725 R. Bradley Chomel's Dictionaire Œconomique at Milk A white Liquor which filtrates thro' the Glands of Women's Breasts. 1780 Philos. Trans. (Royal Soc.) 70 480 Digging a pit into the sand..into which the water filtrates from all sides. 1834 T. Pringle Afr. Sketches ii. vi. 210 Through which the stream..filtrates silently and unperceived. 1876 Tinsleys' Mag. Jan. 43/1 The corruptions of the higher stratum of society had been slowly filtrating to the lower. 1922 D. C. Brewer Peril of Republic iv. 40 They filtrated through and penetrated into the midst of peoples semi-decadent or too slothful to notice what was happening to them. 1972 Atlanta Daily World 14 May 2/3 European customs..have filtrated into the bloodstream of the American mode of living. 2002 G. Delforge Musculoskeletal Trauma i. 12 A small amount of..fluid that continually filtrates through the capillary walls. Derivatives ˈfiltrated adj. ΘΚΠ the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > [adjective] > filtered or percolated filtered?1600 filtrated1663 percolated1672 leached1837 1663 R. Boyle Some Considerations Usefulnesse Exper. Nat. Philos. ii. 127 A very strong (though clear and well filtrated) Lixivium of Pot-ashes. 1731 A. Stuart in Philos. Trans. 1729–30 (Royal Soc.) 36 356 A small Quantity of filtrated Bile. 1832 W. Macgillivray Trav. & Researches A. von Humboldt xxiv. 350 The filtrated water losing itself in the crevices. 1908 World To-day (Chicago) May 486 For years the outside world has been reading from filtrated sources, wonderful tales of the building of these subways and tunnels. 1996 U.S. Patent 5,535,591 2 The resultant slag residue or ash and the filtrated material..can stay directly underground. ˈfiltrating n. ΘΚΠ the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > [noun] leachinga900 filtering1576 excolation1578 filtration1602 percolation1613 transcolation1634 filtrating1662 membrane filtration1931 polishing1938 1662 H. Stubbe Indian Nectar vii. 176 Besides what was lost in filtrating, and other contingencies. 1728 E. Chambers Cycl. at Filtration The most commodious way of filtrating is by brown Paper. 1866 Farmer's Mag. Nov. 411/2 The perforated casing of the single vertical pot-barley cylinder..acts both as a grinding surface and a filtrating medium. 1914 Railway Rev. 24 Jan. 139/1 There is no separation or filtrating of the tar oil. 1989 M. Riederer in E.-D. Schulze et al. Forest Decline & Air Pollution 162 Filtrating of the extract with thoroughly extracted glass wool is advisable. This entry has been updated (OED Third Edition, September 2016; most recently modified version published online June 2022). < n.1843v.1639
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