paraffin

American  

[par-uh-fin] / ˈpær ə fɪn /

noun

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 candles, for forming preservative coatings and seals, for waterproofing paper, etc.

2. Chemistry.

   1. any member of the alkane series.

   2. one of the higher members of the alkane series, solid at ordinary temperatures, having a boiling point above 300°C, which largely constitutes the commercial form of this substance.

3. Also called paraffin oil.  British. kerosene.

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verb (used with object)

1. to cover or impregnate with paraffin.

paraffin British  

/ ˈpærəfɪn, ˈpærəˌfiːn /

noun

1. Also called: paraffin oil.   kerosene.  a liquid mixture consisting mainly of alkane hydrocarbons with boiling points in the range 150°–300°C, used as an aircraft fuel, in domestic heaters, and as a solvent

2. another name for alkane

3. See paraffin wax

4. See liquid paraffin

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verb

1. to treat with paraffin or paraffin wax

paraffin Scientific  

/ păr′ə-fĭn /

1. A waxy, white or colorless solid mixture of hydrocarbons made from petroleum and used to make candles, wax paper, lubricants, and waterproof coatings.

2. Also called paraffin wax

3. See alkane

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Etymology

Origin of paraffin

1830–40; < German < Latin par ( um ) barely + aff ( īnis ) connected + -in ²; so called from its slight affinity for other substances; affinity

Example Sentences

Preserved in formaldehyde and paraffin wax, they come from patients treated at the UK's national bowel hospital, St Mark's, in northwest London.

From Barron's • Feb. 4, 2026

Instead, they lit a paraffin lamp in the room near him as a beacon, in case his spirit wished to return to his body.

From BBC • Dec. 5, 2024

Permanent fillers like silicone or paraffin have been used but are not recommended, as they have been associated with long-term complications like necrosis and deformities.

From Salon • Oct. 26, 2024

In a previous paper, the group reported that incorporating liquid paraffin into the concrete triggers heating when temperatures drop.

From Science Daily • Mar. 18, 2024

There was need of paraffin oil, nails, string, dog biscuits, and iron for the horses’ shoes, none of which could be produced on the farm.

From "Animal Farm: A Fairy Story" by George Orwell