fission

English

Etymology

Borrowed from Latin fissiōnem, accusative singular of fissiō (“the act of breaking up”), from findō (“split, divide”).

Pronunciation

• enPR: fĭsh'ən, fĭzh'ən, IPA^(key): /ˈfɪʃən/, /ˈfɪʒən/

• Audio (Southern England):

  (file)

• Rhymes: -ɪʃən, -ɪʒən

Noun

fission (countable and uncountable, plural fissions)

1. The process whereby one item splits to become two.
2. (nuclear physics) nuclear fission: The process of splitting the nucleus of an atom into smaller particles.
3. (biology) The process by which a bacterium splits to form two daughter cells.

   Synonym: fissiparism

Derived terms

• atomic fission
• binary fission
• cytofission
• fiss
• fissile
• fissionability
• fissionable
• fissional
• fission bomb
• fission fragment
• fission-fusion society
• fissionist
• fissionless
• fissionlike
• fission product
• fission rocket
• hemifission
• induced fission
• karyofission
• nonfission
• nuclear fission
• photofission
• quasifission
• spontaneous fission

Translations

process whereby one item splits to become two

• Arabic: اِنْقِسَام (inqisām)
• Bulgarian: разцепване (bg) n (razcepvane)
• Chinese:

  Mandarin: 分裂 (zh) (fēnliè)

• Danish: fission (da) c, deling (da) c
• Dutch: splitsing (nl) f
• Finnish: fissio (fi), halkeaminen (fi), jakautuminen (fi)
• German: Spaltung (de) f
• Greek: διάσπαση (el) f (diáspasi)
• Hindi: विखण्डन m (vikhaṇḍan), विखंडन m (vikhaṇḍan)
• Hungarian: hasadás (hu)
• Icelandic: skipting
• Italian: fissione (it) f, divisione (it) f
• Japanese: 分裂 (ja) (ぶんれつ, bunretsu)
• Korean: 분열 (ko) (bunyeol)
• Māori: wehekarihi
• Mongolian:

  Cyrillic: хуваагдал (mn) (xuvaagdal)

  Mongolian script: ᠬᠤᠪᠢᠶᠠᠭᠳᠠᠯ (qubiyaɣdal)

• Norwegian: spalting

  Bokmål: fisjon (no) m

  Nynorsk: fisjon m

• Polish: rozszczepienie (pl) n
• Portuguese: fissão (pt) f
• Romanian: fisiune (ro)
• Russian: расщепле́ние (ru) n (rasščeplénije)
• Spanish: fisión (es) f
• Ukrainian: розще́плення n (rozščéplennja)

process by which a bacterium splits into two

• Arabic: انقسام
• Bulgarian: делене (bg) n (delene)
• Chinese:

  Mandarin: 分裂生殖 (zh) (fēnliè shēngzhí)

• Czech: štěpení (cs) n
• Danish: celledeling c
• Finnish: jakautuminen (fi)
• French: fission (fr) f, scissiparité (fr) f
• German: Zellteilung (de) f
• Greek: πυρηνοτομία f (pyrinotomía)
• Hindi: द्विखण्डन m (dvikhaṇḍan)
• Hungarian: osztódás (hu)
• Icelandic: skipting
• Polish: podział (pl) m
• Portuguese: fissão (pt) f
• Russian: деле́ние (ru) (delénije)
• Spanish: fisión (es) f

Verb

fission (third-person singular simple present fissions, present participle fissioning, simple past and past participle fissioned)

1. (transitive) To cause to undergo fission.
2. (intransitive) To undergo fission.

Derived terms

• nonfissioned
• nonfissioning
• unfissioned

Translations

to cause to undergo fission

• Finnish: fissioida
• French: fissionner (fr)
• German: spalten (de)
• Italian: fissionare
• Polish: rozszczepić
• Portuguese: fissionar
• Russian: расщеплять (ru) (rasščepljatʹ)
• Spanish: fisionar (es)

to undergo fission

• Finnish: fissioitua
• Polish: rozszczepić się
• Russian: расщепляться (ru) (rasščepljatʹsja)

See also

• nucleomitophobia

Danish

Noun

fission c (singular definite fissionen, plural indefinite fissioner)

1. nuclear fission

   Synonym: kernespaltning

Declension

Declension of fission

common gender	singular		plural
	indefinite	definite	indefinite	definite
nominative	fission	fissionen	fissioner	fissionerne
genitive	fissions	fissionens	fissioners	fissionernes

Further reading

• “fission” in Den Danske Ordbog

Finnish

Noun

fission

1. genitive singular of fissio

French

Etymology

Borrowed from Latin fissiōnem.

Pronunciation

• IPA^(key): /fi.sjɔ̃/

• Audio (France (Vosges)):

  (file)

Noun

fission f (plural fissions)

1. (chiefly physics) fission

Derived terms

• fission nucléaire

Further reading

• “fission”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012

Swedish

Etymology

Borrowed from English fission, from Latin fissiō, fissiōnem.

Pronunciation

• IPA^(key): /fɪˈɧuːn/

Noun

fission c

1. (physics) nuclear fission
2. The process whereby a company splits to become two.

Declension

Declension of fission

		nominative	genitive
singular	indefinite	fission	fissions
	definite	fissionen	fissionens
plural	indefinite	fissioner	fissioners
	definite	fissionerna	fissionernas

See also

• fusion

References

• “fission”, in Svensk ordbok [Dictionary of Swedish] (in Swedish)