functor

[ fuhngk-ter ]

noun

1. that which functions.
2. Linguistics. a function word or affix.

Word History and Origins

Origin of functor¹

First recorded in 1935–40; funct(ion) + -or ²

Example Sentences

As I’m writing this, the gas fee to buy an NFT on the Ethereum blockchain using OpenSea is around $10, according to Functor Labs’ calculator site.

From The Verge

Before I was shot, I didn’t know what a “functor” was.

From Washington Post