primordium

noun
pri·​mor·​di·​um | \ prī-ˈmȯr-dē-əm How to pronounce primordium (audio) \
plural primordia\ prī-​ˈmȯr-​dē-​ə How to pronounce primordium (audio) \

Definition of primordium

: the rudiment or commencement of a part or organ

Examples of primordium in a Sentence

Recent Examples on the Web Sun spells out a half-century of empirical research, along with the roles of complex genetic signals, hormones, chromosomes and a small group of cells called the bipotential primordium. Heidi Stevens, chicagotribune.com, 26 Feb. 2021

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

First Known Use of primordium

1855, in the meaning defined above

History and Etymology for primordium

borrowed from German Primordium, borrowed from Latin prīmōrdium (in plural prīmōrdia) "beginnings, origin, source, elementary stage" — more at primordial

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Time Traveler for primordium

Time Traveler

The first known use of primordium was in 1855

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Dictionary Entries Near primordium

primordial utricle

primordium

Primork

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Cite this Entry

“Primordium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/primordium. Accessed 29 Jun. 2022.

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More Definitions for primordium

primordium

noun
pri·​mor·​di·​um | \ -ē-əm How to pronounce primordium (audio) \
plural primordia\ -​ē-​ə How to pronounce primordium (audio) \

Medical Definition of primordium

: the rudiment or commencement of a part or organ : anlage the gonadal primordium

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