paraffin

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paraffin

 [par´ah-fin]
1. a purified mixture of solid hydrocarbons from petroleum, used for embedding histological specimens and as a stiffening agent in pharmaceutical preparations.
2. alkane.
liquid paraffin see mineral oil.

par·af·fin

(par'ă-fin),
1. One of the methane series of acyclic hydrocarbons.
2. Synonym(s): hard paraffin
[L. parum, little, + affinis, neighboring, akin, so called because of its slight tendency to chemical reaction]

alkane

Any of a number of saturated aliphatic (straight-chain) hydrocarbons of the methane series (methane, ethane, propane, butane, pentane, hexane, septane, octane, nonane, decane, etc.), in which the carbons are joined to other carbons by single bonds.

hard par·af·fin

(hahrd pară-fin)
Purified mixture of solid hydrocarbons derived from petroleum.
Synonym(s): paraffin (2) .
References in periodicals archive ?
The lightest fractions -- naphtha, kerosene or "refined oil" and "engine distillate" -- were drawn off first, followed by lubricating oils and paraffine waxes, gas oil, and fuel oil (or the liquid residuals), leaving a coke-like residue on the still bottom.
The samples of intestine tissue were fixed immediately formaldehyde 10% embedded in paraffine wax, sectioned serially at 4-6 mm and stained with hematoxylene-Eosin (H-E).
The Cilacap base oil plant, the only producer of the material in the country, set a production target of 365,680 tons not including paraffine oil 60/100 production of 44,660 kiloliters or an increase of 50%.