duàn shāo
to calcine (purify by heating)
duàn liàn
to forge
to toughen
to temper
duàn shí gāo
plaster of Paris
calcined gypsum
duàn lú
forge
fig. extremely hot environment
duàn chéng mò
to calcine (purify by heating)
àn duàn
sealed pot calcination (TCM)