a. Biol. [irreg. f. Gr. θῆλυ-ς female + κάρυον nut, kernel + -OTIC, after mitotic.] Having a female nucleus.
1909. J. W. Jenkinson, Experim. Embryol., 267. In the two-celled stage one blastomere has a male and a female nucleus,
while the other has only a female (thelykaryotic).