| 单词 | atom |
| 释义 | Word Frequency atom(ˈætəm) noun 1. a. the smallest quantity of an element that can take part in a chemical reaction b. this entity as a source of nuclear energy the power of the atom See also atomic structure 2. any entity regarded as the indivisible building block of a theory 3. the hypothetical indivisible particle of matter postulated by certain ancient philosophers as the fundamental constituent of matter See also atomism 4. a very small amount or quantity; minute fragment to smash something to atoms there is not an atom of truth in his allegations Word origin C16: via Old French and Latin, from Greek atomos (n), from atomos (adj) that cannot be divided, from a-1 + temnein to cut |
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