资料来源 : pyDict

顶端微凹的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

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.

资料来源 : WordNet®

emarginate
     adj : having a notched tip