| 单词 | permeable |
| 释义 | permeable, a.|ˈpɜːmiːəb(ə)l|
[ad. L. permeābilis that can be passed through, f. permeā-re to permeate: see -ble. Cf. F. perméable (1587 in Hatz.-Darm.).]
1. Capable of being permeated or passed through; permitting the passage or diffusion of something through it; penetrable; pervious. Const. by, to. (In first quot., That can be traversed or journeyed through, passable.)
1432–50tr. Higden (Rolls) I. 63 The hilles callede Caspii..vnnethe permeable with oxen [Higden vix plaustro permeabiles]. 1658Sir T. Browne Gard. Cyrus iii. 56 It slides down the softer and more permeable Orifice into the Omasus or third stomack. 1773Franklin Lett., etc. Wks. 1840 V. 454 Different kinds of glass, permeable or impermeable to electricity. 1858Bushnell Serm. New Life ii. (ed. 7) 31 It is the grand distinction of humanity, that it is made permeable by the divine nature. 1893Sir R. Ball Story of Sun 251 Cast steel is as permeable to ether as a grove of trees is permeable to wind.
†2. Capable of permeating; penetrative. Obs.
1661Lovell Hist. Anim. & Min. Introd., It generateth good, temperate, and permeable juyce. 1752G. Randolph Bath Water 53 Bath water..is withal so active and permeable as to reach the remotest parts.
Hence ˈpermeableness = permeability; ˈpermeably adv.
1684Boyle Porousn. Anim. & Solid Bod. viii. 128 The Permeableness of ordinary Glass Vessels to Chymical Liquors. 1847Webster, Permeably, in a permeable manner. |
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