Englishsmooth breathingnounMeaningA diacritic mark in Ancient, Medieval and Modern Greek used to indicate absence of aspiration for an initial vowel, and sometimes for a rho. (ἀ, ῤ)Related wordsbreathing(English)hypodiastole(English)spiritus asper(English)oxia(English)breve(English)circumflex(English)tonos(English)acute accent(English)SourcesDictionaryAPI.dev English dictionary data