radiolarian
Any of many marine amoeboid protozoa, of subclass Radiolaria, having filamentous pseudopodia; they have intricate silica skeletons.
(organic chemistry) A secondary or tertiary amine that has both an alkyl and an aryl group connected to the nitrogen atom
plural of dihydrocarbazole
(mineralogy) A white monoclinic arsenate mineral with the formula [Al₆(AsO₄)₃(OH)₉(H₂O)₅]・11H₂O.
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