- A pigment used in paints to provide durability, color retention, and hardness, and to improve sag resistance. See also zinc white.
- A white crystalline powder whose chemical formula is ZnO. Used, for instance, for galvanizing, as a UV absorber, and in optics, lasers, semiconductors, ceramics, photography, and piezoelectric devices.
- noun a compound of zinc and oxygen, which forms a soft white soothing powder used in creams and lotions
- noun a thick cream made with zinc that is used as a sunblock on the face