exudationn.
/ɛksjuːˈdeɪʃən/ 1. attributive.1845–6 G. E. Day tr. J. F. Simon Animal Chem. II. 499 Exudation-corpuscles.1847–9 Todd's Cycl. Anat. & Physiol. IV. i. 119/2 Exudation-Products exhibit themselves in the form of Compound-granule corpuscles.1882 A. Geikie Text-bk. Geol. ii. ii. §3. 90 ‘Segregation’ or ‘exudation’ veins.
a. The process of exuding; the giving off or oozing out (of moisture) in the manner of sweat.
ΘΚΠ
the world > matter > liquid > liquid which has been emitted > action or process of exuding > [noun]
oozinga1398
syingc1440
sweating1545
exudation1617
ooze1718
sudoresis1834
exuding1849
exudence1874
the world > movement > motion in a certain direction > going or coming out > [noun] > exuding
exudation1617
ooze1718
seepage1825
sudoresis1834
exuding1849
exudence1874
the world > movement > motion in a certain direction > going or coming out > letting or sending out > [noun] > emission > emission by exuding
oozinga1398
sweating1545
evaporation1551
exudation1617
evaporating1630
exuding1849
1617 J. Woodall Surgions Mate 141 In these wounds..appeare exudations of clammy humors.
1669 Philos. Trans. 1668 (Royal Soc.) 3 855 A purer sort of Opium, taken from the Husks of Poppy-seed, being prickt, after some time of exsudation and insolation.
1713 W. Derham Physico-theol. iii. i. 64 An Exsudation..of some petrifying Juices out of the rocky Earth.
1794 G. Adams Lect. Nat. & Exper. Philos. II. xiii. 8 Any exudation of the wine, through the pores of the bottle.
1862 G. P. Scrope Volcanos (ed. 2) 37 The vapour it once contained escaped..by exudation through extremely minute pores.
1866 R. Tate Plain & Easy Acct. Mollusks Great Brit. iv. 88 The Testacella form a kind of cocoon in the ground by the exudation of mucus.
b. Percolation, trickling through; ? slow and gradual overflow. Cf. exude v. 1b.
ΘΚΠ
the world > the earth > water > flow or flowing > [noun] > trickling through
exudation1793
1793 J. Smeaton Narr. Edystone Lighthouse (ed. 2) §302 The least exudation of moisture down into the rooms.
1856 E. K. Kane Arctic Explor. I. Notes 460 Looking upon the glaciers of Greenland as canals of exudation.
c. Metallurgy. (See quot. 1958). Also attributive.
ΚΠ
1945 Jrnl. Iron & Steel Inst. 151 283 A reliable method of determining the extent of lead segregation in a sample of leaded steel is by means of the ‘exudation test’.
1945 Jrnl. Iron & Steel Inst. 151 283 If segregated lead is present, this treatment results in the exudation of the lead on the surface in the form of globules.
1958 A. D. Merriman Dict. Metall. 87/2 Exudation, the phenomenon in which the liquid produced by partial or complete melting of a solid is liberated and escapes. It is commonly applied to the liberation of liquid metal from the solid, as in the case of the production of molten lead from a leaded brass on heating at temperatures in excess of the melting point of lead.
2. concrete. Something which is exuded.
ΘΚΠ
the world > matter > liquid > liquid which has been emitted > action or process of exuding > [noun] > that which has been exuded
exudation1626
weep1838
exudate1876
the world > movement > motion in a certain direction > going or coming out > [noun] > exuding > that which
sweata1387
oozinga1398
exudation1626
ooze1718
exudate1876
1626 F. Bacon Sylua Syluarum §4 Rock Rubies are the fine Exudations of Stone.
1744 G. Berkeley Siris (ESTC T72826) §11 Resinous exsudations of pines and firs.
1875 H. C. Wood Treat. Therapeutics (1879) 391 Calomel should not be used..where the exudation is serous.
This entry has not yet been fully updated (first published 1894; most recently modified version published online June 2022).
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