noun, masculine/dja.pa.zɔ̃/plural: diapasons
range, diapason; a tuning fork
Synonyms: accordoir
Borrowed from Latin diapason, from Ancient Greek διαπασῶν (diapasôn), that is διά (diá, “through”) + πασῶν (pasôn, “all”) (χορδῶν (khordôn, “notes”)), “through all (notes)”.