開方

Chinese

		open; operate (vehicle); start	square; quadrilateral; place square; quadrilateral; place; region; direction; side; method; way; prescription; power; upright; just
trad. (開方)		開	方
simp. (开方)		开	方

Pronunciation

Mandarin
(Pinyin): kāifāng

(Zhuyin): ㄎㄞㄈㄤ
Cantonese (Jyutping): hoi¹ fong¹
Hakka (Sixian, PFS): khôi-fông

Mandarin
- (Standard Chinese)⁺
  - Hanyu Pinyin: kāifāng
  - Zhuyin: ㄎㄞㄈㄤ
  - Tongyong Pinyin: kaifang
  - Wade–Giles: kʻai¹-fang¹
  - Yale: kāi-fāng
  - Gwoyeu Romatzyh: kaifang
  - Palladius: кайфан (kajfan)
  - Sinological IPA ^(key): /kʰaɪ̯⁵⁵ fɑŋ⁵⁵/
Cantonese
- (Standard Cantonese, Guangzhou–Hong Kong)⁺
  - Jyutping: hoi¹ fong¹
  - Yale: hōi fōng
  - Cantonese Pinyin: hoi¹ fong¹
  - Guangdong Romanization: hoi¹ fong¹
  - Sinological IPA ^(key): /hɔːi̯⁵⁵ fɔːŋ⁵⁵/
Hakka
- (Sixian, incl. Miaoli and Meinong)
  - Pha̍k-fa-sṳ: khôi-fông
  - Hakka Romanization System: koi´ fong´
  - Hagfa Pinyim: koi¹ fong¹
  - Sinological IPA: /kʰoi̯²⁴⁻¹¹ foŋ²⁴/

Middle Chinese: khoj pjang

Rime
Character	開	方
Reading #	1/1	2/2
Initial (聲)	溪 (29)	幫 (1)
Final (韻)	咍 (41)	陽 (106)
Tone (調)	Level (Ø)	Level (Ø)
Openness (開合)	Open	Closed
Division (等)	I	III
Fanqie	苦哀切	府良切
Baxter	khoj	pjang
Reconstructions
Zhengzhang Shangfang	/kʰʌi/	/pʉɐŋ/
Pan Wuyun	/kʰəi/	/pʷiɐŋ/
Shao Rongfen	/kʰɒi/	/piuɑŋ/
Edwin Pulleyblank	/kʰəj/	/puaŋ/
Li Rong	/kʰᴀi/	/piuaŋ/
Wang Li	/kʰɒi/	/pĭwaŋ/
Bernard Karlgren	/kʰɑ̆i/	/piwaŋ/
Expected Mandarin Reflex	kāi	fāng
Expected Cantonese Reflex	hoi¹	fong¹

Verb

開⫽方 (verb-object)

(arithmetic) to extract a root
to write a prescription

Synonyms

(to extract a root): 開根／开根 (kāigēn)
(to write a prescription):

派藥／派药 (Hokkien)
處方／处方 (chǔfāng)
開方子／开方子 (kāi fāngzi)
開藥／开药 (kāiyào)
開藥仔／开药仔 (Min Nan)

See also

平方 (píngfāng)
立方 (lìfāng)
開方／开方 (kāifāng)
方根 (fānggēn)

Proper noun

開方

a minion of Duke Huan of Qi, sometimes identified as Duke Wen of Wei

Japanese

Kanji in this term
開	方
かい Grade: 3	ほう Grade: 2
on’yomi

For pronunciation and definitions of 開方 – see the following entry.

【開法かいほう】

[noun] (mathematics) methods to solve for the roots of numbers and equations

(This term, 開方, is an alternative spelling of the above term.)

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