U+1EE0 "Ỡ" Latin Capital Letter O with Horn and Tilde Unicode Character

U+1EE0 "Ỡ" Latin Capital Letter O with Horn and Tilde is a specialized letter used in the Vietnamese alphabet, where it represents a distinct vowel sound that combines the "horn" diacritic, which modifies the base letter O to indicate a rounded, back vowel, with the tilde diacritic, which marks a creaky or rising-falling tone in the Vietnamese tonal system. This character is part of the Latin Extended Additional block in Unicode, and it is typically employed in formal written Vietnamese to accurately reflect the pronunciation and tonal inflection of certain words, such as those found in the word "chỡi" meaning to refuse. Its inclusion in the standard ensures proper digital representation and processing of Vietnamese text across various platforms and fonts.