切線

See also: 切线

Chinese

		close to; to cut; to slice	line
trad. (切線/切綫)		切	線/綫
simp. (切线)		切	线

Pronunciation

Mandarin
(Pinyin): qiēxiàn

(Zhuyin): ㄑㄧㄝㄒㄧㄢˋ
Cantonese (Jyutping): cit³ sin³

Mandarin
- (Standard Chinese)⁺
  - Hanyu Pinyin: qiēxiàn
  - Zhuyin: ㄑㄧㄝㄒㄧㄢˋ
  - Tongyong Pinyin: ciesiàn
  - Wade–Giles: chʻieh¹-hsien⁴
  - Yale: chyē-syàn
  - Gwoyeu Romatzyh: chieshiann
  - Palladius: цесянь (cesjanʹ)
  - Sinological IPA ^(key): /t͡ɕʰi̯ɛ⁵⁵ ɕi̯ɛn⁵¹/
Cantonese
- (Standard Cantonese, Guangzhou–Hong Kong)⁺
  - Jyutping: cit³ sin³
  - Yale: chit sin
  - Cantonese Pinyin: tsit⁸ sin³
  - Guangdong Romanization: qid³ xin³
  - Sinological IPA ^(key): /t͡sʰiːt̚³ siːn³³/

Noun

切線

(countable, differential geometry) tangent (straight line touching a curve at a single point) (Classifier: 條／条 m)

See also

正切 (zhèngqiē)
餘切／余切 (yúqiē)

Verb

切⫽線 (verb-object)

(chiefly Hong Kong) to change lanes when driving

Synonyms

變道／变道 (biàndào)
(Hong Kong Cantonese) cut線／cut线

Japanese

Kanji in this term
切	線
せつ > せっ Grade: 2	せん Grade: 2
on'yomi

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

【接線せっせん】

[noun] (geometry) a tangent

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