impure mixture

См. также в других словарях:

• impure — im|pure [ımˈpjuə US ˈpjur] adj 1.) not pure or clean, and often consisting of a mixture of things instead of just one ≠ ↑pure ▪ drug dealers selling impure heroin 2.) old fashioned impure thoughts, feelings etc are morally bad because they are… …   Dictionary of contemporary English

• Pure-impure — Pure Pure, a. [Compar. {Purer}; superl. {Purest}.] [OE. pur, F. pur, fr. L. purus; akin to putus pure, clear, putare to clean, trim, prune, set in order, settle, reckon, consider, think, Skr. p? to clean, and perh. E. fire. Cf. {Putative}.] 1.… …   The Collaborative International Dictionary of English

• bauxite — noun Etymology: French bauxite, from Les Baux, near Arles, France Date: 1861 an impure mixture of earthy hydrous aluminum oxides and hydroxides that is the principal source of aluminum • bauxitic adjective …   New Collegiate Dictionary

• bauxite — baux·ite (bawkґsīt) [Les Baux, France, site of the first bauxite mines] an impure mixture of aluminum hydroxides, clay, and other metal oxides, the primary natural source of aluminum. See also bauxite pneumoconiosis …   Medical dictionary

• matte — matte1 [mat] n. [Fr < dial. mate, a lump, prob. ult. < L matta, MAT1] an impure mixture of sulfides that is produced in smelting the sulfide ores of copper, nickel, lead, etc. matte2 [mat] n. [var. of MAT2] a dull surface or finish, often… …   English World dictionary

• U308 — noun an impure mixture of uranium oxides obtained during the processing of uranium ore • Syn: ↑yellowcake • Hypernyms: ↑compound, ↑chemical compound …   Useful english dictionary

• yellowcake — noun an impure mixture of uranium oxides obtained during the processing of uranium ore • Syn: ↑U308 • Hypernyms: ↑compound, ↑chemical compound …   Useful english dictionary

• potash — Impure potassium carbonate. SYN: pearl ash. [E. pot ashes] caustic p. SYN: potassium hydroxide. sulfurated p. a mixture composed chiefly of potassium polysulfides and potassium thiosulfate; used externally in scabies …   Medical dictionary

• rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium

• Tzaraath — Part of Judaic series of articles on Ritual purity in Judaism   …   Wikipedia

• separation and purification — ▪ chemistry Introduction       in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… …   Universalium