单词	grave accent
释义	grave accent /ˌɡrɑːv ˈaks(ə)nt / noun A mark (`) placed over a vowel in some languages to indicate a feature such as altered sound quality, vowel length, or intonation.In any case, what I said about combining diacritics still stands - for example, to handle Yoruba, you need to be able to combine underdotted vowels with acute and grave accents (for tone).... When the word has a grave accent over the vowel, it is pronounced with a voice that starts at a low level and then falls even lower. I guess it's possible that the reporter does know the difference, and is writing about the use of single quote and back quote as a method for keyboarding acute and grave accents; but if that's it, why not say so, and give an example? Origin Early 17th century: French grave (see grave2).
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