embryo

noun
em·​bryo | \ ˈem-brē-ˌō How to pronounce embryo (audio) \
plural embryos

Definition of embryo

1a archaic : a vertebrate at any stage of development prior to birth or hatching
b : 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
2 : the young sporophyte of a seed plant usually comprising a rudimentary plant with plumule, radicle, and cotyledons
3a : something as yet undeveloped
b : a beginning or undeveloped state of something productions seen in embryo during their out-of-town tryout period— Henry Hewes

Examples of embryo in a Sentence

Recent Examples on the Web

Kardashian fans might've also already known Kim was having a boy, as an insider told Us Weekly in August 2018 that her last embryo left was male. Erica Gonzales, Harper's BAZAAR, "Kim Kardashian Confirms She's Having a Boy and Hints at the Due Date," 15 Jan. 2019 Cockroach moms deposit this substance into the brood sac where their embryos are developing. Diana Gitig, Ars Technica, "Soy milk, almond milk, oat milk. Spider milk?," 30 Nov. 2018 Imagine a situation where, during in vitro fertilization, parents could assess the polygenic risk scores of their fertilized embryos and choose ones that seem the most likely to be tall, smart, and attractive. Brian Resnick, Vox, "How scientists are trying to predict your future with your genes," 23 Aug. 2018 Kim Kardashian and her rapper husband Kanye West are reportedly planning on having a fourth child with their one remaining embryo. Kathleen Joyce, Fox News, "Kim Kardashian, Kanye West planning for baby No. 4 with final embryo: report," 22 Aug. 2018 But someone could go ahead anyway and argue an embryo is not something the FDA should regulate as a drug. Julia Belluz, Vox, "The case for and against CRISPR IVF clinics opening in the US.," 6 Dec. 2018 Altering genes in sperm, eggs or embryos means those changes can be passed down to future generations — people who would have no way to consent to those changes. Malcolm Ritter, The Seattle Times, "Q&A on scientist’s bombshell claim of gene-edited babies," 28 Nov. 2018 Moments later, the brain was gone, but the embryo was still alive. Adam Rogers, WIRED, "Brainless Embryos Suggest Bioelectricity Guides Growth," 18 Mar. 2018 Even if gene editing were used, it could be used on the blood stem cells that reside in the bone marrow, rather than on an embryo. John Timmer, Ars Technica, "Scientists, ethicists slam decisions behind gene-edited twins," 30 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'embryo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of embryo

1548, in the meaning defined at sense 1a

History and Etymology for embryo

Medieval Latin embryon-, embryo, from Greek embryon, from en- + bryein to swell; akin to Greek bryon catkin

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Dictionary Entries near embryo

embrue

embrute

embry-

embryo

embryogenesis

embryogeny

embryoid

Statistics for embryo

Last Updated

10 Mar 2019

Look-up Popularity

Time Traveler for embryo

The first known use of embryo was in 1548

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More Definitions for embryo

embryo

noun

English Language Learners Definition of embryo

: a human or animal in the early stages of development before it is born, hatched, etc.

embryo

noun
em·​bryo | \ ˈem-brē-ˌō How to pronounce embryo (audio) \
plural embryos

Kids Definition of embryo

1 : an unborn human or animal in the earliest stages of growth when its basic structures are being formed
2 : a tiny young plant inside a seed

embryo

noun
em·​bryo | \ ˈem-brē-ˌō How to pronounce embryo (audio) \
plural embryos

Medical Definition of embryo

1 archaic : a vertebrate at any stage of development prior to birth or hatching
2 : 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 — compare fetus

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More from Merriam-Webster on embryo

Rhyming Dictionary: Words that rhyme with embryo

Spanish Central: Translation of embryo

Nglish: Translation of embryo for Spanish Speakers

Britannica English: Translation of embryo for Arabic Speakers

Britannica.com: Encyclopedia article about embryo

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