| Nom (anglais): | CJK Unified Ideograph-5514[1] | 
| Version Unicode: | 1.1 (juin 1993)[2] | 
| Bloc: | Idéogrammes unifiés CJC, U+4E00 - U+9FFF[3] | 
| Plan: | Plan multilingue de base, U+0000 - U+FFFF[3] | 
| Écriture: | idéogrammes han (sinogrammes) (Hani) [4] | 
| Catégorie: | Lettre, autre (Lo) [1] | 
| Classe bidirectionelle: | Gauche-à-droite (L) [1] | 
| Classe de liaison: | Non réordonné (0) [1] | 
| Caractère miroir: | Non [1] | 
| Entité HTML: | 
 | 
| Encodage UTF-8: | 0xE5 0x94 0x94 | 
| Encodage UTF-16: | 0x5514 | 
| Encodage UTF-32: | 0x00005514 | 
| kCheungBauerIndex | 357.08 | 
| kCowles | 2551 | 
| kDaeJaweon | 0413.110 | 
| kHanYu | 10627.020 | 
| kIRGDaeJaweon | 0413.110 | 
| kIRGDaiKanwaZiten | 03741 | 
| kIRGHanyuDaZidian | 10627.020 | 
| kIRGKangXi | 0193.051 | 
| kKangXi | 0193.051 | 
| kLau | 2032 | 
| kMeyerWempe | 1724 1988d | 
| kMorohashi | 03741 | 
| kCantonese | m4 ng4 | 
| kDefinition | hold in mouth; bite; (Cant.) not, negation | 
| kHangul | 오:1N | 
| kHanyuPinyin | 10627.020:wù,wú,ńg,ḿ | 
| kJapaneseOn | GO | 
| kKorean | O | 
| kMandarin | wú | 
| kXHC1983 | 0811.011:ń 0826.011:ńg 1218.070:wú |