英和和英

形容詞

epithecal (not comparable)

1. (microbiology, planktology) Of or pertaining to the epitheca.
   • 1919, G.M. Ehlers, “New Species of Tetracoralla”, in The American journal of science, volume XLVIII:

     The epithecal covering of the outer is annulated by low ridges and shallow grooves...Fine, close-set, concentric lines, probably representing lines of growth, are obscurely shown on a few of the better preserved portions of the epithecal surface.

関連する語

• epitheca
• hypotheca
• hypothecal

参考

• Frustule

アナグラム

• petechial