English Explanatory Dictionary

Lamarckism

English dictionary entry

Meanings

noun

The theory that structural variations, characteristic of species and genera, are produced in animals and plants by the direct influence of physical environments, and especially, in the case of animals, by effort, or by use or disuse of certain organs.

Pronunciation

/ləˈmɑːkɪzəm/ /ləˈmɑɹkɪzəm/ lə-mär􂀽'kĭ-zəm

Word forms

Lamarckism Lamarckianism

Etymology

Internationalism, from Lamarck (i.e. its proponent Jean-Baptiste Lamarck) + -ism.

Related words

Lamarckian Lamarckist Neo-Lamarckism

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