repr. Gr. ζωνο-, combining form of ζώνη ZONE, occurring in a few scientific and technical words. Zonochlorite Min. [Gr. χλωρός green], name for a supposed species of mineral from Lake Superior, marked with bands of different shades of green (perh. the same as CHLORASTROLITE). Zonociliate a. Zool., having a zone or circlet of cilia. Zonoplacental a. Zool., having a zonary placenta, as the Carnivora and other mammals: opposed to discoplacental.
1872. A. E. Foote, in Proc. Amer. Ass. Adv. Sci. (1873), XXI. 65. *Zonochlorite, a New Hydrous Silicate from Neepigon Bay, North Shore of Lake Superior.
1885. Encycl. Brit., XIX. 437/1. The fertilized egg of the Phylactolæma does not give rise to a *zonociliate larva.
1879. De Quatrefages, Hum. Spec., xi. 109. Man, apes, bats, insectivora, and rodents … form a natural group to which no *zonoplacental, and, of course, no indeciduate mammals can be admitted.
