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kilo-electron volt
kilo-electron volt n. 
/ˌkɪləʊᵻˈlɛktrɒn ˌvɒlt/, /ˌkɪloʊiˈlɛktrɑn ˌvoʊlt/, /ˌkiloʊəˈlɛktrɑn ˌvoʊlt/, /ˌkiloʊiˈlɛktrɑn ˌvoʊlt/
Brit. /ˌkɪləʊᵻˈlɛktrɒn ˌvəʊlt/
, /ˌkɪləʊᵻˈlɛktrɒn ˌvəʊlt//ˌkɪləʊᵻˈlɛktrɒn ˌvɒlt/U.S. /ˌkɪloʊəˈlɛktrɑn ˌvoʊlt/
, /ˌkɪloʊəˈlɛktrɑn ˌvoʊlt//ˌkɪloʊiˈlɛktrɑn ˌvoʊlt//ˌkiloʊəˈlɛktrɑn ˌvoʊlt//ˌkiloʊiˈlɛktrɑn ˌvoʊlt/Π
1950 S. Glasstone Sourcebk. Atomic Energy iii. 82/1 One [sc. energy unit], equal to a thousand electron volts, called the kilo-electron volt, is represented by Kev.
1971 D. W. Sciama Mod. Cosmol. ii. 31 The distinction between X- and γ-rays is a somewhat arbitrary one, but..we may take the dividing line to be an energy of 100 keV (kilo-electron volts).
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