[luh-mahrk; French la-mark] /ləˈmɑrk; French laˈmark/
noun
1.
Jean Baptiste Pierre Antoine de Monet de
[zhahn ba-teest pyer ahn-twan duh maw-ne duh] /ʒɑ̃ baˈtist pyɛr ɑ̃ˈtwan də mɔˈnɛ də/ (Show IPA), 1744–1829, French naturalist: pioneer in the field of comparative anatomy.
British Dictionary definitions for Lamarck
Lamarck
/French lamark/
noun
1.
Jean Baptiste Pierre Antoine de Monet (ʒɑ̃ batist pjɛr ɑ̃twan də mɔnɛ), Chevalier de Lamarck. 1744–1829, French naturalist. He outlined his theory of organic evolution (Lamarckism) in Philosophie Zoologique (1809)
Lamarck in Medicine
Lamarck La·marck (lə-märk', lä-), Chevalier de Jean Baptiste Pierre Antoine de Monet. 1744-1829.
French naturalist noted for his theories on evolution by adaptative modification and for classifying animals into vertebrates and invertebrates.
Lamarck in Science
Lamarck
(lə-märk', lä-) French naturalist who introduced the taxonomic distinction between vertebrates and invertebrates. His theory that the acquired characteristics of a species could be inherited by later generations was a forerunner to Charles Darwin's theory of evolution, although it was eventually discredited.