| 释义 |
‖ stella|ˈstɛlə|
Pl. stellæ.
[L., lit. star.]
1. a. Zool. A star-shaped projection on the surface of a coralline; also, a star-shaped sponge-spicule.
1828Stark Elem. Nat. Hist. II. 431 Surface rough with elevated pyramidal stellæ; stars conical, with a solid central axis.
b. Cryst. A stellate crystal.
1844G. Bird Urin. Deposits (1857) 238 The octohedra of oxalate may be readily detected mixed with the prisms or stellæ of the former [sc. phosphate of magnesia and ammonia]. |