1. German biologist and philosopher; advocated Darwinism and formulated the theory of recapitulation; was an exponent of materialistic monism (1834-1919); [syn: Haeckel, Ernst Heinrich Haeckel]
WordNet (r) 3.0 (2006):
Haeckel
n 1: German biologist and philosopher; advocated Darwinism and
formulated the theory of recapitulation; was an exponent of
materialistic monism (1834-1919) [syn: Haeckel, Ernst
Heinrich Haeckel]