Paraffin (noun)

A colorless, odorless, tasteless, and relatively non-toxic solid substance, consisting of a mixture of hydrocarbons, that is used in candles, wax paper, lubricants, and electrical insulation.

Origin:

The word paraffin comes from the latin word "parum" which means "little" and "affinis" which means "related to" or "similar to". it is a hydrocarbon mixture of solid straight-chain or branched alkanes with the general formula cnh2n+2. it was first used in the 19th century in the context of chemistry and industry.

Examples:

1. Paraffin is used in the manufacturing of candles.
2. They used paraffin to lubricate the gears.
3. Paraffin is a byproduct of crude oil distillation.
4. The paraffin wax is used in many industrial applications.
5. Paraffin is used to preserve the specimens in biology and pathology.