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Lamarck

American  
[luh-mahrk, la-mark] / ləˈmɑrk, laˈmark /

noun

  1. Jean Baptiste Pierre Antoine de Monet de 1744–1829, French naturalist: pioneer in the field of comparative anatomy.


Lamarck British  
/ 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)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Lamarck Scientific  
/ lə-märk,lä- /
  1. 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.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The name Jean-Baptiste Lamarck has long carried a black mark in the annals of science.

From The Wall Street Journal

The French naturalist Jean-Baptiste Lamarck had the wrong idea about the way evolution works.

From The Wall Street Journal

The French naturalist Jean-Baptiste Lamarck had the wrong idea about the way evolution works.

From The Wall Street Journal

In their classic theories of evolution, both Jean Baptiste Lamarck and Charles Darwin suggested that giraffes' long necks evolved to help them reach leaves high up in a tree, avoiding competition with other herbivores.

From Science Daily

To biologists, the giraffe’s long neck is a prime example of evolution’s handiwork, cited by both Charles Darwin and Jean-Baptiste Lamarck as support for their evolutionary theories.

From Science Magazine