U+8166 "腦" CJK Unified Ideograph-# Unicode Character
Unicode Version 17.0
腦
U+8166 "腦" CJK Unified Ideograph-# is a Chinese character that represents the concept of the brain or mind. Composed of the "meat" radical on the left and a phonetic component on the right, this ideograph is used in both traditional Chinese and Japanese writing to denote the physical organ as well as metaphorical meanings related to intellect, thought, or memory. In modern usage, it appears in words such as "頭腦" (head and brains/intellect) in Chinese and "脳" (brain) in Japanese, highlighting its role in describing cognitive functions and anatomical definitions across East Asian languages.
General Properties
| Code Point | U+8166 |
| Version Added | 1.1 |
| Name | CJK Unified Ideograph-# |
| Block | CJK Unified Ideographs |
| General Category | Other Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Decimal Encoding | 腦 |
| HTML Hex Encoding | 腦 |
| UTF-8 Encoding | 0xE8 0x85 0xA6 |
| UTF-16 Encoding | 0x8166 |
| UTF-32 Encoding | 0x00008166 |
| C/C++/Java Escape | \u8166 |
Unicode Properties
Unihan Properties
| kBigFive | B8A3 |
| kCCCII | 215365 |
| kCNS1986 | 1-662A |
| kCNS1992 | 1-662A |
| kCangjie | BVVW |
| kCantonese | nou5 |
| kCihaiT | 1100.205 |
| kCowles | 2926 |
| kDaeJaweon | 1440.320 |
| kDefinition | brain |
| kEACC | 215365 |
| kFanqie | 奴晧 那到 |
| kFenn | 428A |
| kFennIndex | 357.06 |
| kFourCornerCode | 7226.3 |
| kGB1 | 3652 |
| kGradeLevel | 2 |
| kGSR | 1244f |
| kHangul | 뇌:0E |
| kHanYu | 32100.070 |
| kHanyuPinlu | nǎo(437) |
| kHanyuPinyin | 32100.070:nǎo,nào |
| kHKGlyph | 3330 |
| kIICore | ATHKMP |
| kIRGDaeJaweon | 1440.320 |
| kIRGHanyuDaZidian | 32100.070 |
| kIRGKangXi | 0988.200 |
| kIRG_GSource | G1-4454 |
| kIRG_HSource | HB1-B8A3 |
| kIRG_JSource | J0-672A |
| kIRG_KPSource | KP0-D5AA |
| kIRG_KSource | K0-5260 |
| kIRG_TSource | T1-662A |
| kIRG_VSource | V1-642B |
| kJapanese | ドウ ノウ |
| kKoreanEducationHanja | 2007 |
| kJapaneseKun | NOU NOUMISO ATAMA |
| kJapaneseOn | NOU DOU |
| kJis0 | 7110 |
| kKangXi | 0988.200 |
| kKorean | NOY |
| kLau | 2395 |
| kMandarin | nǎo |
| kMatthews | 4638 |
| kMeyerWempe | 2104 |
| kMojiJoho | MJ021141 MJ021141:E0101 MJ058390:E0102 |
| kMorohashi | 29681 29681:E0101 |
| kNelson | 3789 |
| kPhonetic | 985 |
| kRSAdobe_Japan1_6 | C+6261+130.4.9 |
| kRSUnicode | 130.9 |
| kSBGY | 302.05 419.06 |
| kSemanticVariant | U+5318<kMatthews |
| kSimplifiedVariant | "脑" U+8111 CJK Unified Ideograph-# |
| kSMSZD2003Index | 558.07 |
| kSMSZD2003Readings | nǎo粵nou5 |
| kTaiwanTelegraph | 5207 |
| kTang | nɑ̌u |
| kTotalStrokes | 13 |
| kUnihanCore2020 | HJKMPT |
| kVietnamese | não |
| kXerox | 245:345 |
| kXHC1983 | 0819.171:nǎo |