astomatous

[ ey-stom-uh-tuhs, ey-stoh-muh- ]

adjective

, Zoology, Botany.

1. having no mouth, stoma, or stomata.

astomatous

/ æˈstɒmətəs; -ˈstəʊ- /

adjective

1. (of animals) having no mouth
2. (of plants) having no stomata

Word History and Origins

Origin of astomatous¹

First recorded in 1850–55; a- ⁶ + stomatous

Example Sentences

Astomatous, as-tom′a-tus, adj. having no mouth, used of a division of the protozoa.

From Project Gutenberg

The Nauplii of the Cirripedia have to undergo several moults whilst in that form; the Nauplii of the Rhizocephala, being astomatous, cannot of course live long as Nauplii, and in the course of only a few days they become transformed into equally astomatous "pupae," as Darwin calls them.

From Project Gutenberg

Muller, Fritz, on astomatous males of Tanais; on the disappearance of spots and stripes in adult mammals; on the proportions of the sexes in some Crustacea; on secondary sexual characters in various Crustaceans; musical contest between male Cicadae; mode of holding wings in Castina; on birds shewing a preference for certain colours; on the sexual maturity of young amphipod Crustacea.

From Project Gutenberg