noun

fission

fission, splitting, division

Nuclear fission releases a huge amount of energy.

Nuclear fission releases a huge amount of energy.

Cell fission is a form of reproduction.

Cell fission is a form of reproduction.

((nuclear/cell)) fission the act of splitting sth. into two parts Nuclear fission releases a huge amount of energy.

Synonyms: splitting, division, cleavage; Antonyms: fusion

From Latin 'fissio' meaning 'a splitting', from the verb 'findere' meaning 'to split'.

Think of a 'fissure' (a long, narrow crack). Fission is the process of creating such a split, especially in atoms or cells. It's the opposite of 'fusion'.

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