oxide

/ˌɑkˈsaɪd/

/ˈɒksaɪd/

Other forms: oxides

Definitions of oxide

1. noun

   any compound of oxygen with another element or a radical
   types:

   titania, titanic oxide, titanium dioxide, titanium oxide

   a white powder used as a pigment for its high covering power and durability

   pentoxide

   an oxide containing five atoms of oxygen in the molecule

   nitrogen oxide

   any of several oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts

   burnt lime, calcined lime, calcium oxide, calx, fluxing lime, lime, quicklime, unslaked lime

   a white crystalline oxide used in the production of calcium hydroxide

   copper oxide

   an oxide of copper

   dioxide

   an oxide containing two atoms of oxygen in the molecule

   ferric oxide

   a red oxide of iron

   monoxide

   an oxide containing just one atom of oxygen in the molecule

   peroxide

   an inorganic compound containing the divalent ion -O-O-

   minium, red lead

   a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics

   silica, silicon dioxide, silicon oxide

   a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite

   sulfur oxide, sulphur oxide

   any of several oxides of sulphur

   superoxide

   a metallic oxide containing the univalent anion O2-

   tetroxide

   an oxide containing four atoms of oxygen in the molecule

   trioxide

   an oxide containing three atoms of oxygen in the molecule

   flowers of zinc, philosopher's wool, philosophers' wool, zinc oxide

   oxide of zinc; a white powder used as a pigment or in cosmetics or glass or inks and in zinc ointment

   zirconia, zirconium dioxide, zirconium oxide

   a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes

   nitrogen dioxide

   a highly poisonous brown gas (NO2)

   arsenic, arsenic trioxide, arsenous anhydride, arsenous oxide, ratsbane, white arsenic

   a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer

   benzoyl peroxide

   a white crystalline peroxide used in bleaching (flour or oils or fats) and as a catalyst for free radical reactions

   CO2, carbon dioxide, carbonic acid gas

   a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis

   CO, carbon monoxide, carbon monoxide gas

   an odorless very poisonous gas that is a product of incomplete combustion of carbon

   chlorine dioxide

   an explosive gas (ClO2) used chiefly in bleaching paper or starch or soap or flour and in water purification

   chert

   variety of silica containing microcrystalline quartz

   flint

   a hard kind of stone; a form of silica more opaque than chalcedony

   rust

   a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture

   silex

   a pure form of finely ground silica

   sulfur dioxide, sulphur dioxide

   a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain

   type of:

   chemical compound, compound

   (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight