Lamarck

[ luh-mahrk; French la-mark ]
/ ləˈmɑrk; French laˈmark /

noun

Jean Bap·tiste Pierre An·toine de Mo·net de [zhahn ba-teest pyer ahn-twan duh maw-ne duh] /ʒɑ̃ baˈtist pyɛr ɑ̃ˈtwan də mɔˈnɛ də/,1744–1829, French naturalist: pioneer in the field of comparative anatomy.

Example sentences from the Web for lamarck

British Dictionary definitions for lamarck

Lamarck
/ (French lamark) /

noun

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)

Medical definitions for lamarck

Lamarck
[ 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.

Scientific definitions for lamarck

Lamarck
[ lə-märk′, lä- ]
Chevalier de Jean-Baptiste Pierre Antoine de Monet 1744-1829

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.