What does giga-annum mean?
Giga-annum means Synonym of gigayear: a billion years..
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Pronunciation varies by accent · noun
Synonym of gigayear: a billion years..
Geophysicists today estimate the earth’s age to be 4.5–4.6 Ga (giga-annums = 1 x 10⁹ years) based on data from lead isotopes (Dalrymple 403).
We report here the sequencing and genomic analysis of the SDR of Ectocarpus, a brown alga that has been evolving independently from plants, animals, and fungi for over one giga-annum.
Possible cyanobacteria from the Apex charts of western Australia, which have been dated at ~3.5 (giga-annums, or billions of years).
Use giga-annum when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Giga-annum means Synonym of gigayear: a billion years..
Common synonyms include gigayear.
The opposite depends on the specific sense.
Geophysicists today estimate the earth’s age to be 4.5–4.6 Ga (giga-annums = 1 x 10⁹ years) based on data from lead isotopes (Dalrymple 403).
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