| 单词 | molecule |
| 释义 | molecule /mol"euh kyoohl'/, n. 1. Chem. , Physics. the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound. 2. Chem. a quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular weight; gram molecule. 3. any very small particle. [1785-95; earlier molecula < NL, equiv. to L mole(s) mass + -cula -CULE1] |
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