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单词
electron-volt
释义
WordReference Random House Unabridged Dictionary of American English © 2024
e•lec•tron-volt
(i lek
′
tron vōlt′),
USA pronunciation
n.
[
Physics.
]
Physics
a unit of energy, equal to the energy acquired by an electron accelerating through a potential difference of one volt and equivalent to 1.602 × 10
-19
joules.
Abbr.:
eV, ev Also,
elec
′
tron volt′.
1925–30
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更新时间:2025/11/26 5:48:59