Definition of paraffin in English:
1 (also paraffin wax) [mass noun] chiefly British A flammable, whitish, translucent, waxy solid consisting of a mixture of saturated hydrocarbons, obtained by distillation from petroleum or shale and used in candles, cosmetics, polishes, and sealing and waterproofing compounds.
- Most candles contain paraffin, a petroleum-based wax that produces black soot when burned.
- This engine, like other hybrids, uses nitrous oxide as liquid oxidizer, but uses paraffin rather than rubber as the engine's solid fuel.
- For light microscopy, several media such as paraffin, polyethylene glycol and resin, have been used to embed plant tissues.
1.1 (also paraffin oil or liquid paraffin) A colourless, flammable, oily liquid similarly obtained and used as fuel, especially kerosene.
- Many rural people, and those living in a semi-urban situation, had to find their fuel from coal, paraffin, and especially timber.
- The four-cylinder engine could develop 30 h.p. using paraffin as fuel, no doubt more on petrol, then not as easily available.
- As renewable sources of fuel, such as wood become scarce it is important for any society to make the transition to mass-produced fuels such as coal or paraffin, and then later shift to electricity or gas.
1.2 [count noun] Chemistry old-fashioned term for alkane.
- Like pentane, paraffins are alkanes - hydrocarbon molecules that have as many hydrogen atoms as the molecule's carbon backbone can accommodate.
- Because kerosene belongs to the family of hydrocarbons called alkanes or paraffins, it is sometimes referred to as paraffin oil, in addition to the nicknames coal oil, lamp oil, and illuminating oil.
Definition of paraffin in:
- US English dictionary
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