| 释义 |
placentiform, a. Zool. and Bot.|pləˈsɛntɪfɔːm|
[f. placenta + -form.]
Having the form of a placenta; discoid; cake-shaped.
1858Mayne Expos. Lex., Placentiformis,..Bot. resembing a cake..placentiform. 1861Bentley Man. Bot. (1870) 125 When what would be otherwise a napiform root becomes compressed both at its base and apex..it is said to be placentiform. 1895Syd. Soc. Lex. |