v.
1.add nonfissionable material to (fissionable material) so as to make unsuitable for use in an atomic bomb
2.modify (as a native protein) especially by heat, acid, alkali, or ultraviolet radiation so that all of the original properties are removed or diminished
3.make (alcohol) unfit for drinking without impairing usefulness for other purposes
Idiom of the Day
leap to conclusions
to decide something or reach a conclusion without having all the facts
Our teacher leaped to conclusions when she accused the boy of breaking the window.