Titanium dioxide definition, a white, water-insoluble powder, TiO2, used chiefly in white pigments, plastics, ceramics, and for delustering synthetic fibers. Titanium Dioxide is used in cosmetics and vitamins and other drugs as a filler to construct tablets. B ut it is also used in skimmed milk, cheeses, yogurts, mayonnaise, chocolate marshmallows, manufactured fast foods, tomato ketchup.It is fed to animals t hat humans eat. A mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium Wiktionary From Latin … Here's how you say it. “The scientific evidence is clear: There are no grounds for classifying TiO2 as carcinogenic for humans by inhalation,” said Robert Bird, chairman of the TDMA. What does titanium oxide mean? An oxide (/ ˈ ɒ k s aɪ d /) is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula. In chemistry, photocatalysis is the acceleration of a photoreaction in the presence of a catalyst.In catalysed photolysis, light is absorbed by an adsorbed substrate. Titanium dioxide has many purposes in both food and product development. ... titanium dioxide, titanium oxide, titanic oxide, titania (noun) a white powder used as a pigment for its high covering power and durability. Metal oxides thus typically contain an anion of oxygen in the oxidation state of −2. In photogenerated catalysis, the photocatalytic activity (PCA) depends on the ability of the catalyst to create electron–hole pairs, which generate free radicals (e.g. Titanium Dioxide. Need to translate "titanium dioxide" to French? Titanium dioxide is a synthetic white pigment with high hiding power, nontoxic, permanent, and usable in all medium. It gives paint high hiding power, meaning the ability to mask or hide the substrate underneath. See more. Food quality. Information and translations of titanium oxide in the most comprehensive dictionary definitions resource on the web. The Titanium Dioxide Manufacturers Association, which represents the TiO2 industry, has also previously issued a statement expressing its disappointment in the recommendation. Meaning of titanium oxide. Titanium dioxide pigment is a fine white powder. Titanium dioxide (airborne, unbound particles of respirable size) is on the Proposition 65 list because it can cause cancer. Exposure to titanium dioxide may increase the risk of cancer. hydroxyl radicals: •OH) able to undergo secondary reactions. Paper manufacturers can access CASUL ® as a primary substance, as a semi-finished product and as a finished product ; Proposition 65 requires businesses to determine if they must provide a warning about exposures to listed chemicals. 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