microporen.
/ˈmʌɪkrə(ʊ)pɔː/, U.S. /ˈmaɪkroʊˌpɔr/ A very small pore.
ΘΚΠ
the world > plants > part of plant > part defined by form or function > [noun] > hole or opening
porea1398
micropore1885
porus1943
1885 H. N. Moseley in Rep. Brit. Assoc. 1884 781 A series of smaller pores (‘micropores’).
1899 Science 3 Mar. 317/2 A micropore surrounded by ‘Ringkörper’.
1938 Bot. Gaz. 100 370 Small holes which he thought he saw through the membranes he called micropores.
1950 Sci. Monthly Nov. 348/2 Water of hydration of salts is viewed as an admittance of water molecules in the micropores of the space lattice.
1967 M. Chandler Ceramics in Mod. World iv. 133 Translucent alumina ceramics that contain no micropores.
1978 Q. Rev. Biol. 53 7/2 There is an immediate release of exine proteins through the surface micropores.
1996 Jrnl. Ecol. 84 245 S. palustris may release methane from micropores located on stems or leaf sheaths, as demonstrated with rice plants.
Compounds
General attributive.
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1924 Proc. Royal Soc. A. 106 238 The micropore hypothesis has an attractive simplicity.
1956 Nature 17 Mar. 502/1 The same type of micro-pore structure as occurs in the coking coals.
1959 Life 20 July 99 (advt.) Kent's super-porous micropore paper lets cool air in, lets heat escape through invisible pores.
1970 Science 4 Dec. 1104/3 These mixtures then were assayed for chemotactic activity by measuring migration of polymorphonuclear leukocytes through a micropore filter.
1980 Proc. National Acad. Sci. U.S.A. 77 6120/1 Labelling efficiency, as determined by micropore filtration, was > 99%.
1989 W. Gibson Neuromancer ii. iv. 61 He could feel the micropore tape across her ribcage.
1996 U.S. News & World Rep. 16 Sept. 64 (advt.) Thousands of thermo-active micropore cells produce a gentle massage.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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