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primordium

Syllabification: (pri·mor·di·um)
Pronunciation: /prīˈmôrdēəm/

Definition of primordium

noun (plural primordia /-dēə/)

Biology
  • an organ, structure, or tissue in the earliest stage of development.

Origin:

late 19th century: from Latin, neuter of primordius 'original', from primus 'first' + ordiri 'begin'

primordium in other Oxford dictionaries

Definition of primordium in the British & World English dictionary

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