| 单词 | fundamental particle |
| 释义 | > as lemmasfundamental particle fundamental particle n. chiefly Physics (originally) an atom, regarded as an indivisible constituent part of matter; (in later use) any of various subatomic particles which are not (known to be) composed of other particles; cf. elementary particle n. at elementary adj. 6a.In the current Standard Model of particle physics, fundamental particles are divided into three classes: quarks and leptons (and their antimatter counterparts), and elementary bosons. ΚΠ 1901 Rep. Brit. Assoc. Advancem. Sci. 13 If heat be motion there can be no doubt that it is the fundamental particles of matter [sc. atoms] which are moving. 1933 Sci. Monthly May 467/2 Is the neutron a fundamental particle rather than a positive proton and a negative electron in a close combination? 2017 P. Langacker Can Laws of Physics be Unified? i. 4 The neutrinos, initially thought to be massless, are now observed to have nonzero masses much smaller than those of the other fundamental particles. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。