diapason

Borrowed from Latin diapason, from Ancient Greek διαπασῶν (diapasôn), that is διά (diá, “through”) + πασῶν (pasôn, “all”) (χορδῶν (khordôn, “notes”)), “through all (notes)”.

• IPA^(key): /daɪəˈpeɪzən/, /daɪəˈpeɪsən/
• Rhymes: -eɪzən, -eɪsən

diapason (plural diapasons)

1. (music) The musical octave.
   • 1818, Iamblichus; Thomas Taylor (translator), Life of Pythagoras‎, page 328:

     2 to 1, which is a duple ratio, forms the [symphony] diapason

2. (by extension, literary) The range or scope of something, especially of notes in a scale, or of a particular musical instrument.

   Synonyms: range, scope

   • 1934, Henry Miller, Tropic of Cancer:

     the piano curving like a conch, corollas giving out diapasons of light […]

   • 1961, Graham Greene, A Burnt-Out Case:

     he could hear nothing except the rattle of the crickets and the swelling diapason of the frogs […]

3. (music) A tonal grouping of the flue pipes of a pipe organ.

• Octave on Wikipedia.Wikipedia
• Flue pipe#Diapasons on Wikipedia.Wikipedia
• Organ stop#Classifications of stops on Wikipedia.Wikipedia

Borrowed from Latin diapason, from Ancient Greek διαπασῶν (diapasôn), that is διά (diá, “through”) + πασῶν (pasôn, “all”) (χορδῶν (khordôn, “notes”)), “through all (notes)”.

• IPA^(key): /dja.pa.zɔ̃/

diapason m (countable and uncountable, plural diapasons)

1. (music, uncountable) range, diapason
2. (countable) a tuning fork

   Synonym: accordoir

• → Portuguese: diapasão

• “diapason” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

diapason m (plural diapason)

1. (music) tuning fork

   Synonym: corista

2. diapason

• dare il diapason

• diapason on the Italian Wikipedia.Wikipedia ^it
• diapason in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana