Technical count noun in genetics/material science meaning a component separated from a mixture
Definitions
A person, group, or substance that has been separated from a larger whole as a result of segregation The metallurgist examined the carbon-rich segregate that formed along the grain boundaries.
Attributive use meaning ‘separate; distinct’; somewhat rare/archaic but attested
Definitions
Separate or set apart; segregated The committee met in a segregate chamber away from the main hall.