Speakur

Word Pronunciation & Dictionary

fission

/ˈfɪʃən/

Word Rarity Rare

Frequency: 3.11 in modern English

Syllables
fis-sion
IPA
/ˈfɪʃən/
10
Scrabble Score
7
Letters
2
Syllables
5
Unique Chars

Meaning

noun

The process whereby one item splits to become two.

Countable; Uncountable

noun

nuclear fission: The process of splitting the nucleus of an atom into smaller particles.

Countable; Uncountable

noun

The process by which a bacterium splits to form two daughter cells.

Countable; Uncountable

verb

To cause to undergo fission.

Transitive verb

verb

To undergo fission.

Intransitive verb

Etymology

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

Origin

Word Breakdown

  • Root: *bʰeyd-, fissiōnem

Usage

Inflected Forms

fissions (plural) fissions (present, singular) fissioning (participle, present) fissioned (participle, past) fissioned (past)

Derived Forms

cytofission fiss fissile fissionability fissionable fissional fissionist fissionless fissionlike hemifission karyofission nonfission

Phrases

atomic fission binary fission fission bomb fission fragment fission-fusion society fission product fission rocket induced fission

Frequently Paired Words

nucleomitophobia

Synonyms

fissiparism nuclear fission

Rhymes With

position addition competition commission mission condition edition definition opposition permission tradition recognition

Questions

How do you pronounce fission?
The recorded pronunciation is /ˈfɪʃən/.
What does fission mean?
The process whereby one item splits to become two.
Where does fission come from?
It is traced to Latin.

How to pronounce fission

  1. Open the pronunciation page — Open the Speakur entry for “fission”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˈfɪʃən/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “fission”.
  4. Repeat and practice — Say “fission” aloud, matching stress and vowels until it feels natural.