Prefix meaning "different"

I believe the answer is:

hetero

'prefix meaning different' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for hetero that I've seen before include "Prefix signifying other" , "Straight (abbr)" , "Person attracted to the opposite sex (abbr)" .)

I've seen this clue in The New York Times.

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