preselector

[pree-si-lek-ter]

noun

Radio.

1. a preamplifier between the antenna and receiving circuit, used to improve reception.

Word History and Origins

Origin of preselector¹

First recorded in 1925–30; preselect + -or ²

Example Sentences

British motorist will set his preselector for "second" or "first," knowing that sooner or later a hill or traffic pause must come.

From Time Magazine Archive