English dictionary

fission

/'f/I//S//@/n/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

reproduction of some unicellular organisms by division of the cell into two more or less equal parts

noun.process

Source: WordNet 3.0
a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy

noun.process

Synonyms nuclear fission

Source: WordNet 3.0
A cleaving, splitting, or breaking up into parts.

noun

Source: webster1913