| 释义 |
polymastodont, a. and n. Palæont.|pɒlɪˈmæstədɒnt|
[f. mod.L. Polymastodon, -ont-, f. Gr. πολυ-, poly- + µαστός breast, nipple + ὀδούς tooth: cf. mastodon.]
a. adj. Belonging to the genus Polymastodon or family Polymastodontidæ of small extinct N. American marsupials, having numerous tubercles on the molar teeth.
b. n. A marsupial of this genus or family. |