Webster's Revised Unabridged Dictionary · 1913

Homomorphism

Homomorphism , noun

[See Homomorphous.]

1.
(Biology) Same as Homomorphy.
2.
(Botany) The possession, in one species of plants, of only one kind of flowers; -- opposed to heteromorphism, dimorphism, and trimorphism.
3.
(Zoology) The possession of but one kind of larva or young, as in most insects.