Clues for the word "FISSION"

We've had 10 crossword clues used for this word, and seen it 23 times in crosswords. It was last seen in Mindfood Daily crossword on April 15, 2026.

Definition of fission

n. - A cleaving, splitting, or breaking up into parts.
n. - A method of asexual reproduction among the lowest (unicellular) organisms by means of a process of self-division, consisting of gradual division or cleavage of the into two parts, each of which then becomes a separate and independent organisms; as when a cell in an animal or plant, or its germ, undergoes a spontaneous division, and the parts again subdivide. See Segmentation, and Cell division, under Division.
n. - A process by which certain coral polyps, echinoderms, annelids, etc., spontaneously subdivide, each individual thus forming two or more new ones. See Strobilation.