electron volt
/ɪˈlek.trɑːn ˌvoʊlt/
Word Rarity
Rare
Frequency: 3.20 in modern English
17
Scrabble Score
12
Letters
3
Syllables
8
Unique Chars
Meaning
noun
A unit for measuring the energy of subatomic particles; the energy equal to that attained by an electron moving through a potential difference of one volt. Equivalent to 1.6022 × 10⁻¹⁹ joules.
Example Sentences
- "To get a feel for the size, the energy required to completely liberate an electron from the ground state of a hydrogen atom is 13.6 electron volts."
Regional Pronunciation
- American English: /ɪˈlek.trɑːn ˌvoʊlt/