tonos
nounUK /ˈtɒnɒs/
Etymology From the Modern Greek τόνος (tónos, “stress, accent”). Doublet of tone.
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Communications, Journalism, Literature, Media, Orthography, Publishing, Typography, Writing The Modern Greek stress-marking diacritic: ⟨ ΄ ⟩, written atop a vowel in a given word’s stressed syllable.