(archaic, rare) Chiefly in Semitic languages: Synonym of preformative (“a formative letter, syllable, etc., at the beginning of a word”)

plural of preformant

An object that has undergone preliminary shaping but is not yet in its final form. / (archaeology) The rough, incomplete and unused basic form of a stone tool.

To shape something before some other operation.

Misspelling of perform.

plural of preform

Third-person singular simple present indicative form of preform

simple past tense and past participle of preform

formed, constructed or assembled in advance

Prior formation. / (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).