U+7814 "研" CJK Unified Ideograph-# Unicode Character
Unicode Version 17.0
研
U+7814 "研" CJK Unified Ideograph-# is a Chinese character (hanzi) that is also used in Japanese and Korean, where it primarily conveys the meanings of "to grind," "to study," or "to research." Composed of the radical for stone (石) on the left and the phonetic component "开" on the right, its original sense relates to the physical action of grinding or sharpening a tool against a stone. Over time, this concrete action evolved into the abstract concepts of polishing knowledge and conducting investigation, making it a common character in scholarly and scientific contexts, such as in the word "研究" (research or study).
General Properties
| Code Point | U+7814 |
| 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 | 研 |
| HTML Hex Encoding | 研 |
| UTF-8 Encoding | 0xE7 0xA0 0x94 |
| UTF-16 Encoding | 0x7814 |
| UTF-32 Encoding | 0x00007814 |
| C/C++/Java Escape | \u7814 |
Unicode Properties
Unihan Properties
| kBigFive | ACE3 |
| kCCCII | 214E37 |
| kCNS1986 | 1-5266 |
| kCNS1992 | 1-5266 |
| kCangjie | MRMT |
| kCantonese | jin4 |
| kCowles | 1355 |
| kDaeJaweon | 1243.030 |
| kDefinition | grind, rub; study, research |
| kEACC | 4B4E37 |
| kFanqie | 五堅 吾甸 |
| kFenn | 34F |
| kFennIndex | 624.07 |
| kFourCornerCode | 1164.0 |
| kGB0 | 4948 |
| kGB1 | 4948 |
| kGradeLevel | 3 |
| kGSR | 0239h |
| kHanYu | 42418.140 |
| kHanyuPinlu | yán(1242) |
| kHanyuPinyin | 42418.140:yán,yàn,xíng |
| kHKGlyph | 2804 |
| kIICore | AGTJHM |
| kIRGDaeJaweon | 1243.030 |
| kIRGHanyuDaZidian | 42418.140 |
| kIRGKangXi | 0828.241 |
| kIRG_GSource | G0-5150 |
| kIRG_HSource | HB1-ACE3 |
| kIRG_JSource | J0-3826 |
| kIRG_KPSource | KP1-5FB9 |
| kIRG_KSource | K2-4C43 |
| kIRG_TSource | T1-5266 |
| kIRG_VSource | V1-6061 |
| kJapanese | ケン ゲン とぐ みがく |
| kJoyoKanji | 2010 |
| kTGH | 2013:1446 |
| kJapaneseKun | TOGU MIGAKU |
| kJapaneseOn | KEN |
| kJis0 | 2406 |
| kKangXi | 0828.241 |
| kKorean | YEN |
| kLau | 3474 |
| kMainlandTelegraph | 4282 |
| kMandarin | yán |
| kMatthews | 7341 |
| kMeyerWempe | 896 2015 |
| kMojiJoho | MJ018445 |
| kMorohashi | 24080 |
| kNelson | 3180 3187 |
| kPhonetic | 617 1577 |
| kRSAdobe_Japan1_6 | C+1882+112.5.4 |
| kRSUnicode | 112.4 |
| kSBGY | 135.23 408.14 |
| kSemanticVariant | U+63C5<kMatthews |
| kSMSZD2003Index | 468.11 470.14 |
| kSMSZD2003Readings | yán粵jin4 |
| kSpecializedSemanticVariant | U+63C5<kMeyerWempe |
| kTGHZ2013 | 422.090:yán |
| kTotalStrokes | 9 |
| kUnihanCore2020 | GHJMT |
| kVietnamese | nghiên nghiền nghiến nghiện |
| kXerox | 243:135 |
| kXHC1983 | 1325.030:yán 1333.010:yàn |
| kZVariant | U+784F |