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functor

[ fuhngk-ter ]
/ ˈfʌŋk tər /
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noun
that which functions.
Linguistics. a function word or affix.
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Origin of functor

First recorded in 1935–40; funct(ion) + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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