[ em-bree-on-ik ]
/ ˌɛm briˈɒn ɪk /


pertaining to or in the state of an embryo.
rudimentary; undeveloped.
Also em·bry·o·nal [em-bree-uh-nl, em-bree-ohn-l] /ˈɛm bri ə nl, ˌɛm briˈoʊn l/.

Origin of embryonic

1840–50; embryon- (see embryo) + -ic


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for embryonic

British Dictionary definitions for embryonic


embryonal (ˈɛmbrɪənəl)

/ (ˌɛmbrɪˈɒnɪk) /


of or relating to an embryo
in an early stage; rudimentary; undeveloped

Derived forms of embryonic

embryonically, adverb
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

Medical definitions for embryonic

[ ĕm′brē-ŏnĭk ]


Of, relating to, or being an embryo.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for embryonic

[ ĕmbrē-ō′ ]

An animal in its earliest stage of development, before all the major body structures are represented. In humans, the embryonic stage lasts through the first eight weeks of pregnancy. In humans, other placental mammals, and other viviparous animals, young born as embryos cannot thrive. In marsupials, the young are born during the embryonic stage and complete their development outside the uterus, attached to a teat within the mother's pouch.
The developing young of an egg-laying animal before hatching.
The sporophyte of a plant in its earliest stages of development, such as the miniature, partially developed plant contained within a seed before germination.

Other words from embryo

embryonic adjective (ĕm′brē-ŏnĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.