Definition of diapason in English:

diapason

Line breaks: dia|pa¦son
Pronunciation: /ˌdʌɪəˈpeɪs(ə)n
 
, -z-/

noun

  • 1 (also open diapason or stopped diapason) An organ stop sounding a main register of flue pipes, typically of eight-foot pitch.
    More example sentences
    • Etherington adopts an apt change in registration, giving vent to the diapasons that would have been the lynchpin of organs in Handel's own time.
    • Weisflog rattles off the planned improvements: new choir ranks in both organs, several mixture stops, a pedal open diapason, and an en chamade or horizontal state trumpet to lend pomp and pageantry to academic convocations.
    • But the organ basically has one foundational stop which you use, I wouldn't say all the time, but most of the time if you are regularly playing, and that is the diapason or the principal, they have different names.
  • 2A grand swelling burst of harmony.
    More example sentences
    • For 45 minutes he spoke, sometimes allowing his voice to swell in a sonorous diapason, sometimes letting it sink low as he leaned forward confidentially over the desk.
  • 3 literary The entire compass, range, or scope of something.
    More example sentences
    • The entire diapason of pro-war liberal opinion-formers has indulged in this revolting ad hominem habit, ad infinitum and ad nauseam.
    • Here is an author in full command of the English language; invective is not beyond him; he ranges across the full diapason of human passion.

Origin

late Middle English (denoting the interval of an octave): via Latin from Greek dia pasōn (khordōn) 'through all (notes)'.

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