Definition of "prismatical" []

• Alternative form of prismatic. (adjective)

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• "Hemispherical specimens have been found on the inner surface of a shell which has no living representative — viz., the Inoceramus (some of which attained a length of two feet) — and spherical ones of the same prismatical structure occur detached in the chalk."
• "What Monet did was to encourage a new type of audacity and a brand-new type in truth, when no one had up to then attempted to see nature as prismatical under the direct influence of the solar rays."
• "On a bright polish'd throne, of prismatical [47] spar,"