英和和英

発音

IPA^(key): /ˈfɪsˌaɪ.əl/, /ˈfɪsˌəl/

形容詞

fissile (comparative more fissile, superlative most fissile)

1. Able to be split.
2. (geology) Easily split along a grain.
   • a. 1728 (date written)​, Isaac Newton, “[The Third Book of Opticks.] [Qu[estion] 25. Are there not other original Properties of the Rays of Light, besides those already described?]”, in Opticks: Or, A Treatise of the Reflections, Refractions, Inflections and Colours of Light. […], 4th edition, London: […] William Innys […], published 1730, OCLC 1118497469, page 329:

     This Cryſtal is a pellucid fiſſile Stone, clear as Water or Cryſtal of the Rock, and without Colour; enduring a red Heat without loſing its tranſparency, and in a very ſtrong Heat calcining without Fuſion.

3. (physics) Capable of sustaining a nuclear fission chain reaction.
   • 2014 March 30, Choe Sang-hun, “North Korea vows to use 'new form' of nuclear test”, in The New York Times‎^[1]:

     North Korea may soon have access to regular amounts of fissile material if it doesn't already ...

派生語

• fissban
• fissility

アナグラム

• Silfies