preformationWiktionary 原文英/priːfɔːˈmeɪʃ(ə)n/美构词拆解prepre-前缀formationformation词干pre-Before; physically in front of. · Before; earlier in time; beforehand.词源说明From pre- + formation.释义名词noun1Prior formation.2(biology, historical) The theory that organisms are fully developed in the form of an egg or seed, and just increase in size (as opposed to epigenesis).同族词派生词 3