Triploblastic :: Triploblastic (a.) Of, pertaining to, or designating, that condition of the ovum in which there are three primary germinal layers, or in which the blastoderm splits into three layers..
Triploidite :: Triploidite (n.) A manganese phosphate near triplite, but containing hydroxyl instead of fluorine..
Underplot :: Underplot (n.) A series of events in a play, proceeding collaterally with the main story, and subservient to it..
Underplot :: Underplot (n.) A clandestine scheme; a trick.