shí​gāo

gypsum

石膏 shí​gāo
gypsum noun
gypsum or plaster used as a material in construction, industry, and art

This sculpture is made of plaster.

plaster cast noun
a rigid medical dressing made of plaster used to immobilize broken limbs

His leg is broken, and the doctor is busy putting it in a cast.

Frequency

Movie subtitles
2.62 per million appears in 1% of films
Written text
3.57 per million

Sources

Definitions
CC-CEDICT