the diacritical mark (´), used in the writing system of some languages to indicate that the vowel over which it is placed has a special quality (as in French été) or that it receives the strongest stress in the word (as in Spanish hablé)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use acute accent in a sentence
On many of the transcriptions used in this book, an acute accent is used when an apostrophe would be expected by most readers.Indian Myth and Legend | Donald Alexander Mackenzie
The French word "mouill" appears, apparently randomly, both with and without the acute accent.
The acute accent on vowels indicates a stressed syllable, which is also raised in pitch.Mohave Pottery | Alfred L. Kroeber
Some, but by no means all, of 'ee' has the first 'e' marked with an acute accent.Chronicles (1 of 6): The Description of Britaine | Raphaell Holinshed
Syllable stress is represented by an acute accent either on the main vwel or after the syllable; inconsistencies are unchanged.