cre·na·tion /krɪˈneʃən/
圓鋸齒狀
cre·na·tion /krɪˈneʃən/ 名詞
皺縮,鈍鋸齒狀,圓齒狀
Cre·na·tion n.
1. Bot. A rounded tooth on the edge of a leaf.
2. The condition of being crenate.
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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]