Hydrocarbon (noun)

1. A compound consisting of only hydrogen and carbon atoms, such as an alkane, alkene, or alkyne.
2. A hydrocarbon-based fuel, such as oil or natural gas.

Origin:

The word "hydrocarbon" is a combination of the greek words "hydro" meaning water and "carbon" referring to the chemical element carbon. it is used to describe a compound that is composed of only hydrogen and carbon atoms.

Examples:

1. Methane is a simple hydrocarbon.
2. The oil spill was caused by a leak in the hydrocarbon pipeline.
3. The hydrocarbons in gasoline can cause air pollution.
4. The hydrocarbon is composed of hydrogen and carbon atoms.
5. The plastic is made from synthetic hydrocarbons.