| 释义 |
phy·lum
\ˈfīləm\ noun
(plural phy·la \-lə\)
Etymology: New Latin, from Greek phylon tribe, race — more at phyl-
1.
a. : a direct line of descent within a group presumably from a single point of origin
< the various evolutionary phyla to plants >
b. : a group that constitutes or has the unity of such a phylum
< whole phyla of resentments — W.H.Auden >
< a family of birds containing three phyla of subfamilial rank >
2. : a major taxonomic unit comprising organisms sharing a fundamental pattern of organization and presumably a common descent:
a. : one of the usually primary divisions of the animal kingdom
< the phylum Arthropoda >
< the phylum Chordata >
— called also branch
b.
(1) : division
(2) : any of several major categories of plants; especially : class
3. : a group of languages related more remotely than those of a family or stock |