Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The most common isotope of uranium, having mass number 238 and half-life 4.46 × 109 years, nonfissionable but irradiated with neutrons to produce fissionable plutonium 239.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239

Etymologies

Sorry, no etymologies found.

Examples

Sorry, no example sentences found.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.