F f


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [fis-uh l]
    • /ˈfɪs əl/
    • /ˈfɪs.aɪl/
    • US Pronunciation
    • US IPA
    • [fis-uh l]
    • /ˈfɪs əl/

Definitions of fissile word

  • adjective fissile capable of being split or divided; cleavable. 1
  • adjective fissile Physics. fissionable. (of a nuclide) capable of undergoing fission induced by low-energy neutrons, as uranium 233 and 235. 1
  • noun fissile (of an atom or element) able to undergo nuclear fission. 1
  • adjective fissile capable of undergoing nuclear fission as a result of the impact of slow neutrons 0
  • adjective fissile tending to split or capable of being split 0
  • adjective fissile that can be split; fissionable 0

Information block about the term

Origin of fissile

First appearance:

before 1655
One of the 46% oldest English words
1655-65; < Latin fissilis, equivalent to fiss(us) (see fissi-) + -ilis -ile

Historical Comparancy

Parts of speech for Fissile


fissile popularity

A common word. It’s meaning is known to most children of preschool age. About 78% of English native speakers know the meaning and use the word.
According to our data about 50% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

fissile usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for fissile

adjective fissile

  • nuclear — pertaining to or involving atomic weapons: nuclear war.

Top questions with fissile

  • what does fissile mean?

See also

Matching words

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