Meaning of giga-annum | Babel Free
Examples
“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).”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See also
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