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FISSION
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
Synonyms:
fission; nuclear fission
Classified under:
Nouns denoting natural processes
Hypernyms ("fission" is a kind of...):
nuclear reaction ((physics) a process that alters the energy or structure or composition of atomic nuclei)
Sense 2
Meaning:
Reproduction of some unicellular organisms by division of the cell into two more or less equal parts
Classified under:
Nouns denoting natural processes
Hypernyms ("fission" is a kind of...):
agamogenesis; asexual reproduction (reproduction without the fusion of gametes)
Hyponyms (each of the following is a kind of "fission"):
schizogony (asexual reproduction by multiple fission; characteristic of many sporozoan protozoans)
II. (verb)
Sense 1
Present simple (first person singular and plural, second person singular and plural, third person plural) of the verb fission
