- 漂白粉 piǎobáifěn bleaching powderAn inorganic white powder, mainly calcium hypochlorite, used for bleaching and disinfection; it has a strong pungent odor and decomposes easily when exposed to moisture.
- 白粉病 báifěnbìng powdery mildewA fungal disease of plants characterized by white powdery spots on the leaves and stems
- 太白粉 tàibáifěn starchstarch used for cooking, usually made from potato, cassava, or corn and used for thickening sauces
- 白粉蝶 báifěndié cabbage butterflySmall or medium-sized butterfly with white wings and black spots; its larvae, known as cabbage worms, are major pests of cruciferous vegetables like cabbage and bok choy
- 钛白粉 tàibáifěn titanium whitetitanium dioxide powder used as a white pigment in paints, plastics, and paper