embrion

noun

obsolete variant of embryo

1
a
: an animal in the early stages of growth and differentiation that are characterized by cleavage, the laying down of fundamental tissues, and the formation of primitive organs and organ systems
especially : the developing human individual from the time of implantation to the end of the eighth week after conception
b
archaic : a vertebrate at any stage of development prior to birth or hatching
2
: the young sporophyte of a seed plant usually comprising a rudimentary plant with plumule, radicle, and cotyledons
3
a
: something as yet undeveloped
b
: a beginning or undeveloped state of something
productions seen in embryo during their out-of-town tryout periodHenry Hewes

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near embrion

Cite this Entry

“Embrion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/embrion. Accessed 21 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!