barium organic compounds
121Magnesium iodide — Magnesium iodide …
122geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …
123physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
124technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
125Solubility equilibrium — is any type chemical equilibrium between solid and dissolved states of a compound at saturation. Solubility equilibria involve application of chemical principles and constants to predict solubility of substances under specific conditions (because …
126diagnosis — /duy euhg noh sis/, n., pl. diagnoses / seez/. 1. Med. a. the process of determining by examination the nature and circumstances of a diseased condition. b. the decision reached from such an examination. Abbr.: Dx 2. Biol. scientific… …
127hydroxide — /huy drok suyd, sid/, n. a chemical compound containing the hydroxyl group. [1820 30; HYDR 2 + OXIDE] * * * Any compound with one or more functional groups made up of one atom each of hydrogen and oxygen, bonded together and acting as the… …
128Drinking water quality standards — describes the quality parameters set for drinking water . Despite the truism that every human on this planet needs drinking water to survive and that water can contain many harmful constituents, there are no universally recognised and accepted… …
