| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024mol•e•cule /ˈmɑləˌkyul/USA pronunciation n. [countable]- Chemistry, Physicsthe smallest physical unit of an element or compound, made up of one or more similar atoms in an element and two or more different atoms in a compound.
- any very small particle.
WordReference Random House Unabridged Dictionary of American English © 2024mol•e•cule (mol′ə kyo̅o̅l′),USA pronunciation n. - Chemistry, Physicsthe 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.
- Chemistrya quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular weight;
gram molecule. - any very small particle.
- Neo-Latin, equivalent. to Latin mōlē(s) mass + -cula -cule1
- earlier molecula 1785–95
Collins Concise English Dictionary © HarperCollins Publishers:: molecule /ˈmɒlɪˌkjuːl/ n - the simplest unit of a chemical compound that can exist, consisting of two or more atoms held together by chemical bonds
- a very small particle
Etymology: 18th Century: via French from New Latin mōlēcula, diminutive of Latin mōlēs mass, mole4 |