Chinese symbol for “sine”

正弦

zhèng xián

(math.) sine

The closest CC-CEDICT match for sine is 正弦 (zhèng xián), defined as: (math.) sine.

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Characters and stroke order

正 zhèng

straight, right, proper, correct, just, true

radical 77 ⽌ · 5 strokes

弦 xián

bow string; string instrument; hypotenuse

radical 57 ⼸ · 8 strokes

Related words

Other words that share a character with 正弦.

Word	Pinyin	Meaning
正在	zhèng zài	to be in the process of (doing sth); to be currently ...-ing
真正	zhēn zhèng	genuine; real; true; really; indeed
正式	zhèng shì	formal; official
正常	zhèng cháng	normal; regular
正确 (正確)	zhèng què	correct; sound; right; proper
正是	zhèng shì	is precisely
和弦	hé xián	(music) chord
琴弦	qín xián	string (of a stringed instrument)

See also: Japanese symbol for “sine”.

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3); Make Me a Hanzi (Arphic Public License (graphics.txt); LGPL-3.0-or-later (dictionary.txt)); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.