二氧芑
èr​yǎng​qǐ

dioxin

二 èr two

Two horizontal strokes, representing the number two.

Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Bronze form
Bronze Late Spring and Autumn ~500 BC
Bronze form
Bronze Warring States 475-221 BC
Bronze form
Bronze Warring States 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Component uses

Meaning (4 of 8 verified)

些次再仁竺贰佞貳

Sound (1)

次

Simplified (1)

兰

Distinguishing (1)

亘

Iconic (1)

亙

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartnyijHni[j]-s two

說文解字

《說文》：“二，地之數也。从偶一。弍，古文。”

Sources

Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

氧 yǎng oxygen

Phonosemantic compound. 气 represents the meaning and 羊 represents the sound.

Components

气
气 Meaning component
qì, qi air
羊
羊 Sound component
yáng sheep

Sources

Readings & variants
Unicode

芑 qǐ white millet

Components

艹
艹 Meaning component
cao, cǎo grass

grass

己
己 Sound component
jǐ self

Character Evolution

Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Old Chinese
Zhengzhangkʰɯʔ

說文解字

白苗嘉榖。从艸己聲。

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)