Word Study
henry
CIDE DICTIONARY
henry, n. [From Joseph Henry , an American physicist.].
The unit of electric induction; the induction in a circuit when the electro-motive force induced in this circuit is one volt, while the inducing current varies at the rate of one ampère a second. [1913 Webster]
OXFORD DICTIONARY
henry, n. (pl. -ies or henrys) Electr. the SI unit of inductance which gives an electromotive force of one volt in a closed circuit with a uniform rate of change of current of one ampere per second.
Usage
Abbr.: H.
Etymology
J. Henry, Amer. physicist d. 1878
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