滑石粉 (huáshífěn): talcum powder

Meanings

Yīng'ér shuǎngshēnfěn lǐ hányǒu huáshífěn.

Baby powder contains talc.

Huáshífěn kěyǐ yòng zuò rùnhuájì.

Talc can be used as a lubricant.

memory

滑 'slippery' + 石 'stone' + 粉 'powder' = 'slippery-stone powder' — a perfect literal name for talc, the softest mineral on the Mohs scale.

滑 huá

石 shí

粉 fěn