fission


1fis·sion

noun \ˈfi-shən, -zhən\

physics : a process in which the nucleus of a heavy atom is split apart

biology : a kind of reproduction in which a cell or body divides into two or more parts and each part grows into a whole new individual

Full Definition of FISSION

1
:  a splitting or breaking up into parts
2
:  reproduction by spontaneous division of the body into two or more parts each of which grows into a complete organism
3
:  the splitting of an atomic nucleus resulting in the release of large amounts of energy
fis·sion·al \-shə-nəl, -zhə-\ adjective

Origin of FISSION

Latin fission-, fissio, from findere to split — more at bite
First Known Use: circa 1617

2fission

verb

Definition of FISSION

intransitive verb
:  to undergo fission
transitive verb
:  to cause to undergo fission

First Known Use of FISSION

1929

Rhymes with FISSION

fis·sion

noun \ˈfish-ən also ˈfizh-\   (Medical Dictionary)

Medical Definition of FISSION

1
: a method of reproduction in which a living cell or body divides into two or more parts each of which grows into a whole new individual
2
a : cleavage 2 b : the splitting of an atomic nucleus resulting in the release of large amounts of energy—called also nuclear fission
fis·sion verb, fis·sioned fis·sion·ing \ˈfish-(ə-)niŋ also ˈfizh-\
fis·sion·al \ˈfish-ən-əl also ˈfizh-\ adjective

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