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
• fiss
• fissile
• fissionable
• fissional
• fission bomb
• fission fragment
• fission product
• fission rocket
• induced fission
• nuclear fission
• 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)
• Mongolian:

  Cyrillic: хуваагдал (mn) (xuvaagdal)

  Mongolian: 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

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.

Translations

to cause to undergo fission

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

to undergo fission

• Finnish: fissioitua
• Polish: rozszczepić się

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:

  (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 (SO)