Old parental Synonyms

Definitions for Old

(adjective) being of advanced years and especially past middle age
(adjective) dating or surviving from the distant past
(adjective) having been such at some previous time

OP abbreviation

OP is an abbreviation for Old Parental

What does OP stand for?

OP stands for "Old Parental"

Parental replaced

Definitions for Parental

(adjective) relating to or characteristic of or befitting a parent
(adjective) designating the generation of organisms from which hybrid offspring are produced