活性炭

huóxìngtàn

noun #34,986

Meanings

1 activated carbon
2 activated charcoal

Characters

nature, property

Examples

新房子里放点活性炭可以吸甲醛。

Xīn fángzi lǐ fàng diǎn huóxìngtàn kěyǐ xī jiǎquán.

Put some activated carbon in a new home to absorb formaldehyde.

这个口罩里有活性炭过滤层。

Zhège kǒuzhào lǐ yǒu huóxìngtàn guòlǜ céng.

This mask has an activated-carbon filter layer.

Tips

memory

Literal 'active-property charcoal' — charcoal that's been processed to be chemically 'alive' (huge surface area, hungry for impurities). Universally familiar in China for its use in air purifiers and water filters.

Stroke Order

活 huó

性 xìng

炭 tàn