Try Our Apps


90s Slang You Should Know


[hek-uh l] /ˈhɛk əl/
Ernst Heinrich
[ernst hahyn-rikh] /ɛrnst ˈhaɪn rɪx/ (Show IPA),
1834–1919, German biologist and philosopher of evolution.
Related forms
[he-kee-lee-uh n] /hɛˈki li ən/ (Show IPA),
adjective, noun
Haeckelism, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for Haeckel
Historical Examples
British Dictionary definitions for Haeckel


/German ˈhɛkəl/
Ernst Heinrich (ɛrnst ˈhainrɪç). 1834–1919, German biologist and philosopher. He formulated the recapitulation theory of evolution and was an exponent of the philosophy of materialistic monism
Derived Forms
Haeckelian (hɛˈkiːlɪən) adjective
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
Cite This Source
Haeckel in Medicine

Haeckel Haeck·el (hěk'əl), Ernst. 1834-1919.

German philosopher and naturalist who supported Darwin's theory and mapped a genealogical tree relating all animal life.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Haeckel in Science
German naturalist who was the first to attempt a genealogical tree of all animals. He was also one of the first scientists to publicly support Darwin's theory of evolution. His own ideas about evolution attracted popular attention, and though they were later disproved, they helped to stimulate biological research.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for Haeckel

Some English speakers likely know this word

Word Value for Haeckel

Scrabble Words With Friends

Nearby words for haeckel