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preformation

/ˌpriː.fɔːˈmeɪ.ʃən/

1 entry

noun

/ˌpriː.fɔːˈmeɪ.ʃən/C2formalscientificobsolete
  • ruДискредитированная биологическая теория XVIII века, согласно которой организм развивается из миниатюрной, полностью сформированной версии самого себя (гомункула), присутствующей в зародышевой клетке.

A discredited 18th-century biological theory that an organism develops from a miniature, fully-formed version of itself (a homunculus) present in the germ cell.

uncountable

  1. Discredited biological theoryC2formalscientific

    An 18th-century theory, now rejected, which held that an organism develops from a miniature, fully-formed version of itself (a homunculus) present in the germ cell.

    ruДискредитированная биологическая теория

    • Preformation was a popular theory among biologists in the 1700s.
    • The idea of a homunculus is central to the theory of preformation.
    • Modern genetics has completely disproven the concept of preformation.

    Antonymsepigenesis

Forms
  • preformations plural form
  • preformations' possessive plural form
  • preformation's possessive singular form