| 单词 | water extract |
| 释义 | > as lemmaswater extract water extract n. an extract of a substance made by dissolving or steeping it in water. [ < water n. + extract n., after German Wasserextrakt (1831 or earlier), itself after Swedish vatten-extrakt (1808 in Berzelius, or earlier).] ΚΠ 1845 G. E. Day tr. J. F. Simon Animal Chem. I. 31 We..separate the extractive matter into two distinct parts, one, soluble in water, but not in dilute alcohol... The former..is termed water-extract [Ger. Berzelius Wasserextrakt]. 1924 Med. Bull. Univ. Cincinnati Nov. 52/1 Guinea pigs are injected..with doses of a very dilute water extract (diluted with .9% NaCl) of ricin. 1992 W. T. Parsons & E. G. Cuthbertson Noxious Weeds Austral. 458/2 Water extracts from sicklepod have some allelopathic effects. < as lemmas |
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