part per million
81Drooping Brome — Bromus tectorum Drooping brome (Eu), Cheat Grass (N.Am) Left: Drooping Brome Bromus tectorum Right: Field Brome Bromus arvensis Scientific classification …
82Melamine — This article is about the chemical compound. For the plastic also called melamine , see melamine resin. Melamine …
83Oily fish — Not to be confused with Oilfish. Large open water fish, like this Northern bluefin tuna, are oily fish …
84chondrichthian — /kon drik thee euhn/, n. any member of the class Chondrichthyes, comprising the cartilaginous fishes. [ < NL, equiv. to chondr CHONDR + Gk ichthýes (pl.) fish] * * * ▪ fish class Introduction class name Chondrichthyes, or Selachii any… …
85semiconductor device — ▪ electronics Introduction electronic circuit component made from a material that is neither a good conductor nor a good insulator (hence semiconductor). Such devices have found wide applications because of their compactness, reliability,… …
86Breathing — Breath redirects here. For other uses, see Breath (disambiguation). For other uses, see Breathing (disambiguation). The human respiratory system Breathing is the process that moves air in and out of the lungs. Aerobic organisms require oxygen to… …
87Industrial Union Department v. American Petroleum Institute — SCOTUSCase Litigants=Industrial Union Department v. American Petroleum Institute ArgueDate=October 10 ArgueYear=1979 DecideDate=July 2 DecideYear=1980 FullName=Industrial Union Department, AFL CIO v. American Petroleum Institute et al. USVol=448… …
88fluorosis — /floo roh sis, flaw , floh /, n. Pathol. 1. an abnormal condition caused by excessive intake of fluorides, characterized in children by discoloration and pitting of the teeth and in adults by pathological bone changes. 2. Also called mottled… …
89lithium — /lith ee euhm/, n. 1. Chem. a soft, silver white metallic element, the lightest of all metals, occurring combined in certain minerals. Symbol: Li; at. wt.: 6.939; at. no.: 3; sp. gr.: 0.53 at 20°C. 2. Pharm. the substance in its carbonate or… …
90Tetrachloroethylene — IUPAC name …
