单词 | heptahydrate |
释义 | > as lemmasheptahydrate heptahydrate n. Brit. /ˌhɛptəˈhʌɪdreɪt/ , U.S. /ˌhɛptəˈhaɪˌdreɪt/ Chemistry a compound containing seven molecules of water (7H2O).ΚΠ 1874 Guthrie in Proc. Physical Soc. Lond. 1 67 On cooling such a solution..the heptahydrate crystallizes out. < as lemmas |
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