-jē, -ji noun
( -es )
Etymology: French embryologie, from embry- + -logie -logy
1. : a branch of biology that relates to embryogeny in animals and plants : the study of the development of the individual from the egg to birth or hatching
a student of embryology
— compare ontogeny
2. : the features and phenomena exhibited in the formation and development of an embryo
certain peculiarities of the embryology of the brook trout
3. : a treatise on embryology