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[luh-mahr-kee-uh n] /ləˈmɑr ki ən/
of or relating to Jean de Lamarck or his theory of organic evolution.
a person who holds this theory.
Origin of Lamarckian
First recorded in 1840-50; Lamarck + -ian Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for Lamarckian
Historical Examples
  • Neither jaws nor brain can have been evolved on the Lamarckian principle.

  • Even a Lamarckian will allow this to be within the range of possibility.

    Heads and Tales Various
  • He, being a Lamarckian, ascribes this to the inherited effects of use.

    The Making of Species Douglas Dewar
  • But even in the two Lamarckian factors there is a difference in grade.

    Evolution Joseph Le Conte
  • In this controversy, however, there was another string to the Lamarckian bow.

    Parallel Paths Thomas William Rolleston
  • How does the Lamarckian hypothesis explain the sterility of hybrids, for example?

  • Mr. Wallace, on the contrary, at once raised the Lamarckian spectre, and declared it exorcised.

  • Mr. Wallace, on the contrary, at once raised the Lamarckian spectre, and declared it exorcized.

  • By the Lamarckian ontogenetic degeneration is considered the result of lack of use and consequent diminished blood supply.

  • Oken was spinning in metaphysical Germany his fanciful parodies of the Lamarckian hypothesis.

    Charles Darwin Grant Allen
British Dictionary definitions for Lamarckian


of or relating to Lamarck
a supporter of Lamarckism
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
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Word Origin and History for Lamarckian

1846, pertaining to French botanist and zoologist J.B.P. Lamarck (1744-1829), especially his view that the process of evolution includes the inheritance of acquired characteristics.

Online Etymology Dictionary, © 2010 Douglas Harper
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