halflife

H4A1L1F4L1I1F4E1

A form of half-life — The time required for half the nuclei in a sample of an isotope to undergo radioactive decay.

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Meanings

nounhalflife (plural halflives)

plural halflives

  1. alternativeAlternative spelling of half-life.

Origin

From half + life.

Full word history & related roots →
Cite this entry
APA

halflife. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/halflife

MLA

“halflife.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/halflife. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “halflife,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/halflife.

Source: halflife on Wiktionary, CC BY-SA 4.0.