焦耳

jiāo'ěr

noun #27,366

Meanings

1 joule (unit of energy)

Characters

Examples

HSK 3

一卡路里等于约四点二焦耳。

Yī kǎlùlǐ děngyú yuē sìdiǎn èr jiāo'ěr.

One calorie equals approximately 4.2 joules.

HSK 7-9

电池的能量以焦耳为单位来计量。

Diànchí de néngliàng yǐ jiāo'ěr wéi dānwèi lái jìliàng.

Battery energy is measured in joules.

Tips

history

Named after English physicist James Prescott Joule (1818-1889). The Chinese term is a phonetic transliteration of 'Joule'.

Stroke Order

焦 jiāo

耳 ěr