Diffuseとは 意味・読み方・使い方

語源 1

From Middle French diffuser, from Latin diffūsus, past participle of diffundere, from dis- + fundere.

発音

• enPR: dĭfyo͞oz'
• (英国発音) IPA: /dɪˈfjuːz/
• (米国発音) IPA: /dɪˈfjuz/
• 韻: -uːz
• Homophone: defuse

動詞

diffuse (third-person singular simple present diffuses, present participle diffusing, simple past and past participle diffused)

1. (transitive) To spread (something) over or through as in air, water, or other matter, especially by fluid motion or passive means.

   The small window diffuses light throughout the room.

   Ideas are easily diffused with the help of technology.

   • 1837, William Whewell, “Earliest Stages of Astronomy”, in History of the Inductive Sciences, from the Earliest to the Present Times. […], volume I, London: John W[illiam] Parker, […]; Cambridge, Cambridgeshire: J. and J. J. Deighton, →OCLC, book III (History of Greek Astronomy), section 3 (Correction of the Civil Year. (Julian Calendar.)), page 121:

     We do not know by whom the insufficiency of the year of 365 days was first discovered; we find this knowledge diffused among all civilized nations, and various artifices used in making the correction.

2. (intransitive) To be spread over or through as in air, water, or other matter, especially by fluid motion or passive means.

   Food coloring diffuses in water.

   The riot diffused quite suddenly.

使用する際の注意点

The words diffuse and defuse are frequently confused. To defuse a difficult situation would be to make it less potentially explosive (as if removing the fuse from a stick of dynamite); to diffuse it would be to spread it around.

同意語

• forspread

派生語

語源 2

From 中期英語 *diffuse (attested in adverb diffuseli), from Latin diffūsus.

発音

• enPR: dĭfyo͞os'
  • (英国発音) IPA: /dɪˈfjuːs/
  • (米国発音) IPA: /dɪˈfjus/
  • 韻: -uːs
• (obsolete) enPR: dĭf'yo͞os IPA: /ˈdɪfjuːs/

形容詞

diffuse (comparative more diffuse, superlative most diffuse)

1. Everywhere or throughout everything; not focused or concentrated.

   Such a diffuse effort is unlikely to produce good results.

   diffuse activity of the prefrontal cortex

2. Wordy; verbose.

同意語

• (not concentrated): spread out, thin; see also Thesaurus:diffuse
• (verbose): palaverous, prolix; see also Thesaurus:verbose

派生語

関連する語

• diffusion

参照

Further reading

• “diffuse”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

アナグラム

• Duffies

副詞

diffūsē (comparative diffūsius, superlative diffūsissimē)

1. diffusely, in a scattered manner.
2. copiously, fully

関連する語

• diffūsus

参照

• “diffuse”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• Charlton T. Lewis (1891) An Elementary Latin Dictionary, 1st edition. (Oxford University Press)