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Definition of preselector - 1 dictionary result

pre⋅se⋅lec⋅tor

[pree-si-lek-ter]
–noun Radio.
a preamplifier between the antenna and receiving circuit, used to improve reception.

Origin:
1925–30; preselect + -or 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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