preformation
1. [ noun ] a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell
Synonyms: theory_of_preformation
Related terms: theory preform
Similar spelling:   proportion
  proportional
  pro_forma
  proportionate
  proportionally
  proportionable
  proportionately
  proportionality
  proportional_to
  pair_formation
  preferential