lamarckian
UK[ləˈmɑːkɪən]US[ləˈmɑːrkiən]
adj
Relating to the theory of evolution proposed by Jean-Baptiste Lamarck, which suggests that characteristics acquired by an organism during its lifetime can be passed on to its offspring.
n
A supporter of Lamarck's theory of evolution.
Morpheme Breakdown
lamarck
ian
lamarck
proper name
ian
adjective-forming suffix
Etymology
The term is an eponym, formed directly from the surname of the pioneering French naturalist Jean-Baptiste Lamarck (1744–1829). The suffix '-ian', of Latin origin via French, is a common and productive suffix in English for forming adjectives meaning "pertaining to" or "following the theories of" a specific person. Thus, 'Lamarckian' literally means "of or relating to Lamarck." It specifically denotes adherence to his now largely superseded theory of evolution, which proposed the inheritance of acquired characteristics, a concept central to biological discourse in the 19th and early 20th centuries.
Analysis
Structure: lamarck (proper name) + ian (adjective-forming suffix)
'Lamarck' is a French proper name, derived from the surname of the biologist Jean-Baptiste Lamarck. The suffix '-ian' is from Latin '-ianus', meaning "belonging to" or "relating to," and is used to form adjectives and nouns.
Examples
The idea that a blacksmith's strong arms could be inherited by his children is a Lamarckian concept.
Although Darwinian evolution is the prevailing theory, some Lamarckians argued for the role of use and disuse.
Modern epigenetics has sparked renewed, though cautious, interest in certain Lamarckian mechanisms.