U-235

A form of uranium-235 — A fissile isotope of uranium, used for energy generation and in atomic weapons, containing 143 neutrons. It has a half-life of 7.038×10⁸ years; it decays into thorium-231 and ultimately lead.

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Meanings

nounU-235 (uncountable)
  1. abbreviationuncountableAbbreviation of uranium-235.

Origin

From U (“the chemical symbol for uranium”).

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Cite this entry
APA

U-235. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/U-235

MLA

“U-235.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/U-235. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “U-235,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/U-235.

Source: U-235 on Wiktionary, CC BY-SA 4.0.