gigaton.
A measure of the strength of an explosion or a bomb based on how many billion tons of TNT would be needed to produce the same energy. (A derived unit for TNT equivalent.)
Meaning & usage
A measure of the strength of an explosion or a bomb based on how many billion tons of TNT would be needed to produce the same energy. (A derived unit for TNT equivalent.)
One billion tons. One billion short tons (10⁹ × 2000 lb).
One billion tons. One billion long tons (10⁹ × 2240 lb).
One billion tons. One billion metric tons (10⁹ × 2204.6 lb).
Where this word comes from
Etymology tree Ancient Greek Γίγας (Gígas) Ancient Greek γίγας (gígas)der. English giga- English ton English gigaton From giga- + ton.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.