Precambrian
adjective
Pre·cam·bri·an
(ˌ)prē-ˈkam-brē-ən 
-ˈkām-
-ˈkām-
: of, relating to, or being the earliest era of geologic history or the corresponding system of rocks that is characterized especially by the appearance of single-celled organisms and is equivalent to the Archean and Proterozoic eons see Geologic Time Table
Precambrian
noun
Dictionary Entries Near Precambrian
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“Precambrian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Precambrian. Accessed 22 Nov. 2024.
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Precambrian
adjective
Pre·cam·bri·an
(ˈ)prē-ˈkam-brē-ən
: of, relating to, or being the earliest era of geological history extending to the beginning of the Phanerozoic eon about 544,000,000 years ago
also
: relating to the rocks formed during this time see geologic time
Precambrian
noun
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