【医】 purified talc
refine; purge; purify; decontaminate; catharsis; clarification; cleanse
purgation; spiritualization
【计】 clean-up
【化】 decontamination
【医】 cleaning; depuration; purification
French chalk
【化】 French white; hydrated magnesium silicate; saponite
【医】 talc; talcum