|
|
fis·sion
 fission
|
|
- pronunciation:
- fI
sh
 n
[or]
fI
zhn
- features:
- Word Combinations (noun), Word Explorer
| part of speech: |
noun |
| definition 1: |
the act or process or an instance of breaking apart.
- antonyms:
- fusion
|
| definition 2: |
the splitting of an atomic nucleus into two or more nuclei, thus producing atoms of lighter elements and releasing large amounts of energy. (Cf. fusion.)
- antonyms:
- fusion
|
| definition 3: |
in many one-celled organisms, reproduction by splitting into two genetically identical organisms.
|
|
|
|
|
| derivation: |
fissionable (adj.) |
|
|