Meaning of TRANSFORMER in English

TRANSFORMER

-ȯrmər, -ȯ(ə)mə(r noun

( -s )

: one that transforms: as

a. : a device employing the principle of mutual induction to convert variations of current in a primary circuit into variations of voltage and current in a secondary circuit and typically consisting of two separate coils usually with different numbers of turns wound on the same closed laminated iron core — see autotransformer , current transformer , phasing transformer

b. : a mythical figure (as a culture hero) in the legends of primitive cultures noted for bringing about the present order of the world by transforming its previous order

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.