释义 |
porous, a.|ˈpɔərəs| [= F. poreux (14th c. in Hatz.-Darm.), It., Sp. poroso, ad. L. type *porōs-us (in mod.L.), f. porus pore n.1: see -ous.] Full of or abounding in pores; having minute interstices through which water, air, light, etc. may pass. porous plaster, a plaster having numerous small holes pierced through it so as to enable it to lie smoothly (Syd. Soc. Lex.).
c1400Lanfranc's Cirurg. 107 It schulde ben more rare & more porous [v.r. porose], þat is to seie, more ful of hoolis. 1567J. Maplet Gr. Forest 33 It is nothing solide or massie, but much porouse. 1625N. Carpenter Geog. Del. ii. ix. (1635) 153 The Porous and spongy nature of the Earth is apt to drinke in the water of the sea. 1692Bentley Boyle Lect. 207 If gold it self be admitted, as it must be, for a porous concrete. 1794Sullivan View Nat. I. 359 Light, in its passage, penetrates the porous vacuities. 1879Rutley Stud. Rocks i. 5 Questions of water supply hinge mainly on the porous or impervious character of rocks. b. fig.
1642H. More Song of Soul iii. Pref., Many [arguments]..go through their more porous and spongy minds without any sensible impression. 1795Coleridge Plot Discovered 19 But our minister's..style is infinitely porous. 1864Carlyle Fredk. Gt. xvi. vii. (1872) VI. 207 Men are very porous; weighty secrets oozing out of them, like quicksilver through clay jars. c. Acting or performed by means of pores.
1861Bentley Man. Bot. (1870) 302 Porous dehiscence is an irregular kind of dehiscence. |