单词 | dictyonal |
释义 | dictyonaladj. Zoology. Of the skeletal framework of a sponge: composed of fused dictyonalia. Cf. dictyonine adj. ΚΠ 1887 tr. F. E. Schulze in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXI. 265 Suborder II. Dictyonina... Hexactinellida in which the principal hexacts are already at an early stage united into a connected and compact (dictyonal) framework. 1963 Jrnl. Paleontol. 37 212/2 The rigid skeletal latticework produced in this manner is called a dictyonal framework. 1999 Invertebr. Biol. 118 222/1 [The] spicule skeleton..is dictyonal (fused) in Aphrocallistes vastus and lyssacine (loose) in Rhabocalyptus dawsoni. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < adj.1887 |
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