Dictionary.com
definitions
  • synonyms

Lamarckian

[luh-mahr-kee-uh n]
adjective
  1. of or relating to Jean de Lamarck or his theory of organic evolution.
Show More
noun
  1. a person who holds this theory.
Show More

Origin of Lamarckian

First recorded in 1840–50; Lamarck + -ian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for lamarckian

Historical Examples

  • Neither jaws nor brain can have been evolved on the Lamarckian principle.

    Evolution in Modern Thought

    Ernst Haeckel

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

  • He, being a Lamarckian, ascribes this to the inherited effects of use.

  • 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


British Dictionary definitions for lamarckian

Lamarckian

adjective
  1. of or relating to Lamarck
Show More
noun
  1. a supporter of Lamarckism
Show More
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

Word Origin and History for lamarckian

Lamarckian

adj.

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.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper