- synthetic paraffin
- [NF] paraffin synthesized by catalytic conversion of carbon monoxide and hydrogen to a mixture of paraffin hydrocarbons; used as a stiffening agent in pharmaceutical preparations.
Medical dictionary. 2011.
Medical dictionary. 2011.
paraffin wax — paraffin in its solid state. [1870 75] * * * ▪ chemical compound colourless or white, somewhat translucent, hard wax consisting of a mixture of solid straight chain hydrocarbons ranging in melting point from about 48° to 66° C (120° to 150° … Universalium
Paraffin — For the fuel called paraffin in the United Kingdom and South Africa, see Kerosene. For other uses, see Paraffin (disambiguation). In chemistry, paraffin is a term that can be used synonymously with alkane , indicating hydrocarbons with the… … Wikipedia
synthetic diamond — ▪ chemistry man made diamond that is usually produced by subjecting graphite to very high temperatures and pressures. Synthetic diamond resembles natural diamond in most fundamental properties, retaining the extreme hardness, broad… … Universalium
ozokerite — A mixture of paraffinic and cycloparaffinic hydrocarbons occurring in nature; it has a higher melting point than synthetic paraffin, and is used as a substitute for beeswax. SYN: ozocerite. purified o. SYN: ceresin. * * * ozo·ke·rite .ō zō ki(ə)r … Medical dictionary
petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium
Wax — For other uses, see Wax (disambiguation). Cetyl palmitate, a typical wax ester … Wikipedia
wax — wax1 waxable, adj. waxlike, adj. /waks/, n. 1. Also called beeswax. a solid, yellowish, nonglycerine substance allied to fats and oils, secreted by bees, plastic when warm and melting at about 145°F, variously employed in making candles, models,… … Universalium
technology, 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… … Universalium
Tissue engineering — Principle of tissue engineering Tissue engineering was once categorized as a sub field of bio materials, but having grown in scope and importance it can be considered as a field in its own right. It is the use of a combination of cells,… … Wikipedia
explosive — explosively, adv. explosiveness, n. /ik sploh siv/, adj. 1. tending or serving to explode: an explosive temper; Nitroglycerin is an explosive substance. 2. pertaining to or of the nature of an explosion: explosive violence. 3. likely to lead to… … Universalium