King's Kung-Fu& Tai Chi

Chinese symbol for “disulfide”

二硫键
èr liú jiàn
Traditional: 二硫鍵
disulfide (chemistry)

The closest CC-CEDICT match for disulfide is 二硫键 (èr liú jiàn), defined as: disulfide (chemistry).

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

二 èr
two; twice
radical 7 ⼆ · 2 strokes
硫 liú
sulfur
radical 112 ⽯ · 12 strokes
键 jiàn
lock, door bolt; key
radical 167 ⾦ · 13 strokes

Traditional forms

Related words

Other words that share a character with 二硫键.

WordPinyinMeaning
第二dì èrsecond; number two
第二次dì èr cìthe second time; the second occurrence
第二天dì èr tiānnext day; the morrow
二级 (二級)èr jígrade 2; second class
十二shí èrtwelve; 12
二十èr shítwenty; 20
硫酸liú suānsulfuric acid
二氧化硫èr yǎng huà liúsulfur dioxide SO2
关键 (關鍵)guān jiàncrucial point; crux

See also: Japanese symbol for “disulfide”.

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.