Entry 1 sense Webster, 1913 Amphiblastic /(ăm`fĭ*blăs"tĭk)/ · Am·phi·blas·tic · IPA 01 a. Segmenting unequally; -- said of telolecithal ova with complete segmentation. 1. Segmenting unequally; -- said of telolecithal ova with complete segmentation.(Biol.)