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]

paraffin

/par·af·fin/ (par´ah-fin)
1. a purified hydrocarbon wax used for embedding histological specimens and as a stiffening agent in pharmaceutical preparations.
2. alkane.

liquid paraffin  mineral oil.

paraffin

[per′əfin]
Etymology: L, parum, little + affinis, related
any of a group of hydrocarbons or hydrocarbon mixtures of the paraffin series as indicated by the formula, CnH(2n+2). Examples include methane gas, kerosene, and paraffin wax. Also called alkane.

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) .

paraffin (par´əfin),

n a group of hydrocarbons or hydrocarbon mixtures of the paraffin series as indicated by the formula C11H(2n+2). Examples include methane gas, kerosene, and paraffin wax.

paraffin

1. a purified hydrocarbon wax used for embedding histological specimens.
2. a saturated hydrocarbon used as a fuel oil. Poisoning causes gastroenteritis and aspiration pneumonia, the latter being secondary to vomiting. Called also alkane, kerosene, lamp oil. See also oil.
3. petrolatum.

paraffin embedding technique
the most commonly used technique for the preparation of slides of tissue for light microscopic examination.
liquid paraffin
liquid petrolatum. See mineral oil.