[医] 有孔虫目

[ noun ]
foraminifers
<noun.animal>

Foraminifera \Fo*ram`i*nif"e*ra\, n. pl. [NL., fr. L. foramen,
-aminis, a foramen + ferre to bear.] (Zo["o]l.)
An extensive order of rhizopods which generally have a
chambered calcareous shell formed by several united zooids.
Many of them have perforated walls, whence the name. Some
species are covered with sand. See {Rhizophoda}.