a. 顶端微凹的

[医] 微凹的, 微缺的(叶端)

[ adj ]
having a notched tip
<adj.all>

Emarginate \E*mar"gi*nate\, v. t. [L. emarginare; e out +
marginare to furnish with a margin, fr. margo margin.]
To take away the margin of.


Emarginate \E*mar"gi*nate\, Emarginated \E*mar"gi*na`ted\, a.
1. Having the margin interrupted by a notch or shallow sinus.

2. (Bot.) Notched at the summit.

3. (Cryst.) Having the edges truncated.