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BNC: 16809 COCA: 14435

leach

verb
/liːtʃ/
/liːtʃ/
(specialist)
Verb Forms
present simple I / you / we / they leach
/liːtʃ/
/liːtʃ/
he / she / it leaches
/ˈliːtʃɪz/
/ˈliːtʃɪz/
past simple leached
/liːtʃt/
/liːtʃt/
past participle leached
/liːtʃt/
/liːtʃt/
-ing form leaching
/ˈliːtʃɪŋ/
/ˈliːtʃɪŋ/
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  1. [intransitive] leach (from something) (into something) | leach out/away (of chemicals, minerals, etc.化学物质、矿物质等) to be removed from soil, etc. by water passing through it淋洗;淋失
    • Nitrates leach from the soil into rivers.硝酸盐由土壤淋洗入江河。
    Topics The environmentc2
  2. [transitive] leach something (from something) (into something) | leach something out/away (of a liquid液体) to remove chemicals, minerals, etc. from soil过滤;滤去
    • The nutrient is quickly leached away.养分很快就被滤掉了。
  3. Word OriginOld English leccan ‘to water’, of West Germanic origin. The current sense dates from the mid 19th cent.

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