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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.


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]


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 ?
Tenders are invited for P.H.No:49137 Aloevera, Light Liquid Paraffin, White Soft Paraffin - Cream
Tenders are invited for White Soft Paraffin Cream 50 G Tube
White Soft Paraffin 5% + Aloe Vera Gel 10% + Liquid Paraffin Lotion of 50ml
Tenders are invited for Ph No.:49137 Aloevera, Light Liquid Paraffin, White Soft Paraffin - Cream
Limited Tenders are invited for Supply of Oint White Soft Paraffin Qty 2332 Tube.
9 - dressing coated with a soft paraffin. The detailed parameters needed, quantity and other requirements of the contracting authority are listed in Appendices 1-9.