换

huàn

to exchange

to change (clothes etc); to substitute; to switch; to convert (currency)

hand (扌) + phonetic (奂) = exchange with your hands

The hand radical carries the meaning: you reach out and swap one thing for another. 奂 contributes the sound huàn rather than the sense.

扌+奂→换

奂No direct semantic contributionPhonetic

扌HandSemantic

通用汉字标准交换码

tōng yòng hàn zì biāo zhǔn jiāo huàn mǎ

abbr. to 通用碼|通用码[Tong1 yong4 ma3]

自动换刀装置

zì dòng huàn dāo zhuāng zhì

automatic tool changer (ATC)

阻抗变换器

zǔ kàng biàn huàn qì

impedance converter

离子交换

lí zǐ jiāo huàn

ion exchange

电子数据交换

diàn zǐ shù jù jiāo huàn

electronic exchange of data

鸟枪换炮

niǎo qiāng huàn pào

bird shotgun replaced by cannon (idiom); equipment improved enormously

不等价交换

bù děng jià jiāo huàn

exchange of unequal values

中文标准交换码

zhōng wén biāo zhǔn jiāo huàn mǎ

CSIC, Chinese standard interchange code used from 1992

串换

chuàn huàn

to exchange

互换

hù huàn

to exchange

交换

jiāo huàn

to exchange

交换代数

jiāo huàn dài shù

(math.) commutative algebra