- demiplate
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n. [Gr. demi, half; OF. plate, flat](ECHINODERMATA)A reduced ambulacral plate in a compound plate in the test.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.