zinc oxide

noun

, Chemistry, Pharmacology.

1. a white or yellowish-white, amorphous, odorless, water-insoluble powder, ZnO, used chiefly as a paint pigment, in cosmetics, dental cements, matches, white printing inks, and opaque glass, and in medicine in the treatment of skin conditions.

zinc oxide

noun

1. a white insoluble powder used as a pigment in paints ( zinc white or Chinese white ), cosmetics, glass, and printing inks. It is an antiseptic and astringent and is used in making zinc ointment. Formula: ZnO Also calledflowers of zincphilosopher's wool

zinc oxide

1. A white or yellowish powdery compound used in paints and in various medicines and skin cosmetics. Chemical formula: ZnO.

Word History and Origins

Origin of zinc oxide¹

First recorded in 1840–50

Example Sentences

At night an ointment of zinc oxide may be applied over a painting of "black wash" (to be obtained at drug stores).

From Project Gutenberg

In the case of brass or zinc, the metals will be covered with a coat of zinc oxide before they reach a welding heat.

From Project Gutenberg

Alkaline baths are also useful, and may advantageously be followed by dusting-powders of starch and zinc oxide.

From Project Gutenberg

Calcium oxide is also good but zinc oxide must be used sparingly as it is apt to suffer if overfired.

From Project Gutenberg

This is sometimes more efficient if zinc oxide, six to eight drachms, is added.

From Project Gutenberg