Century Dictionary and Cyclopedia
- n perigenesis Wave-genertation; a dynamic theory of generation which assumes that reproducation is effected by a kind of wave-motion or rhymical pulsation of plastidules. See the quotations.
Chambers's Twentieth Century Dictionary
- n Perigenesis per-i-jen′e-sis wave-generation, the dynamic theory of reproduction by a kind of wave-motion of plastidules.