资料来源 : pyDict

圆锯齿状

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

Crenation \Cre*na"tion\ (kr?-n?"sh?n), n.
   1. (Bot.) A rounded tooth on the edge of a leaf.

   2. The condition of being crenate.

资料来源 : WordNet®

crenation
     n : one of a series of rounded projections (or the notches
         between them) formed by curves along an edge (as the edge
         of a leaf or piece of cloth or the margin of a shell or a
         shriveled red blood cell observed in a hypertonic
         solution etc.) [syn: {scallop}, {crenature}, {crenel}, {crenelle}]