volt

Từ điển Oxford Advanced Learner 8th

volt [volt volts] BrE [vəʊlt] BrE [vɒlt] NAmE [voʊlt] noun (abbr.V)
a unit for measuring the force of an electric current
•a high security fence with 5 000 volts passing through it

Word Origin:
late 19th cent.: named after A. Volta (1745-1827), the Italian physicist.