Word Study
aposematic
CIDE DICTIONARY
aposematic, a. [Pref. apo- + sematic.].
Having or designating conspicuous or warning colors or structures indicative of special means of defense against enemies, as in the skunk. [Webster 1913 Suppl.]
OXFORD DICTIONARY
aposematic, adj. Zool. (of coloration, markings, etc.) serving to warn or repel.
Etymology
APO- + Gk sema sematos sign
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