leach

名词 n. 动词 v.
中文释义
英 /liːt͡ʃ/    美 /liːt͡ʃ/

英文释义

名词 n.
  1. A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
  2. A tub or vat for leaching ashes, bark, etc.
    — "This is the leach," said Kitty, pointing to a large, yellowish, upright wooden cylinder, which rested on some slanting boards, down the surface of which ran a brownish liquid that dripped into a trough.
  3. Alternative spelling of leech. alt-of,alternative
  4. A jelly-like sweetmeat popular in the fifteenth century.
动词 v.
  1. To purge a soluble matter out of something by the action of a percolating fluid. transitive
    — Heavy rainfall can leach out minerals important for plant growth from the soil.
  2. To part with soluble constituents by percolation. intransitive
    — The gangue was leached to recover minerals left behind by the original technology.
  3. To bleed; to seep. figuratively,intransitive
    — A more generic geography, one where the suburb uneasily abuts the commercial and industrial, or leaches out to a nonurban frontier.

词形变化

leaches plural leaches present,singular,third-person leaching participle,present leached participle,past leached past

词汇关系

衍生词
leachtub leachy bioleached leachability leachable leachant leachate leach brine leacher leaching unleached
相关词
demineralize

词源

词源 1
From Middle English leche (“leachate; sluggish stream”), from Old English *lǣċ, *lǣċe (“muddy stream”), from Proto-Germanic *lēkijō (“a leak, drain, flow”)
(compare Proto-Germanic *lekaną (“to leak, drain”)), from Proto-Indo-European *leǵ- (“to leak”).
Cognate with Old English leċċan (“to water, moisten”), Old English lacu (“stream, pool, pond”). More at leak, lake.
词源 2
From Middle English *lechen, *lecchen, from Old English leċċan, from Proto-Germanic *lakjaną, from Proto-Indo-European *leǵ- (“to leak”).
0 次浏览 数据来源: Wiktionary