fission — English Dictionary

Noun

1. The process whereby one item splits to become two.

   Usage

   • Countable
   • Uncountable

2. nuclear fission: The process of splitting the nucleus of an atom into smaller particles.

   Usage

   • Countable
   • Uncountable

3. The process by which a bacterium splits to form two daughter cells.

   Usage

   • Countable
   • Uncountable

   Synonyms

   fissiparism

Verb

1. To cause to undergo fission.

   Usage

   • Transitive

2. To undergo fission.

   Usage

   • Intransitive

Noun

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

   Broader terms

   asexual reproductionagamogenesis

2. a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy

   Synonyms

   nuclear fission

   Broader terms

   nuclear reaction