Definition of preselector in English:

preselector

Syllabification: pre·se·lec·tor
Pronunciation: /ˌprēsəˈlektər
 
/

noun

  • A device for selecting a mechanical or electrical operation in advance of its execution.
    More example sentences
    • It always has a preselector that eliminates all signals except for the desired band of operation.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody