paraffin hydrocarbons

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• paraffin-base — | ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ adjective : containing relatively large amounts of paraffin hydrocarbons : yielding paraffin wax on refining used especially of crude petroleum; compare asphalt base, naphthene base …   Useful english dictionary

• paraffin-base crude — A type of crude oil containing predominantly paraffin hydrocarbons as distinguished from asphaltic and naphthenic base crudes. It is a source of high quality lubricating oils …   Petroleum refining glossary

• 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 — Par af*fin (p[a^]r [a^]f*f[i^]n), Paraffine Par af*fine (p[a^]r [a^]f*f[i^]n or p[a^]r [a^]f*f[=e]n), n. [F. paraffine, fr. L. parum too little + affinis akin. So named in allusion to its chemical inactivity.] (Chem.) A white waxy substance,… …   The Collaborative International Dictionary of English

• Paraffin series — Paraffin Par af*fin (p[a^]r [a^]f*f[i^]n), Paraffine Par af*fine (p[a^]r [a^]f*f[i^]n or p[a^]r [a^]f*f[=e]n), n. [F. paraffine, fr. L. parum too little + affinis akin. So named in allusion to its chemical inactivity.] (Chem.) A white waxy… …   The Collaborative International Dictionary of English

• paraffin — [par′ə fin] n. [Ger < L parum, too little + affinis, akin (see AFFINITY): from its chemical inertness] 1. a white, waxy, odorless, tasteless solid substance consisting of a mixture of straight chain, saturated hydrocarbons: it is obtained… …   English World dictionary

• paraffin — 1. One of the methane series of acyclic hydrocarbons. 2. SYN: hard p.. [L. parum, little, + affinis, neighboring, akin, so called because of its slight tendency to chemical reaction] chlorinated p. a solvent for dichloramine T. hard p. a purified …   Medical dictionary

• paraffin — n. one of a series of hydrocarbons derived from petroleum. Paraffin wax (hard paraffin), a whitish mixture of solid hydrocarbons melting at 45–60°C, is used in medicine mainly as a base for ointments; it is also used for embedding specimens for… …   The new mediacal dictionary

• 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

• paraffin — /par euh fin/, n. 1. a white or colorless, tasteless, odorless, water insoluble, solid substance not easily acted upon by reagents, consisting of a mixture of hydrocarbons chiefly of the alkane series, obtained from crude petroleum: used in… …   Universalium

• paraffin little affinity series — Methane Meth ane, n. [See {Methal}.] (Chem.) A light, colorless, gaseous, inflammable hydrocarbon, {CH4}; marsh gas. It is the simplest of the aliphatic hydrocarbons. See {Marsh gas}, under {Gas}. [1913 Webster] {Methane series} (Chem.), a series …   The Collaborative International Dictionary of English