plural of petrolatum

Helaeomyia petrolei, a Californian fly whose larvae feed on dead insects that become trapped in naturally occurring petroleum pools.

plural of petroleum fly

petroleum jelly

A mixture of propane and butane with traces of some other gases, which is kept in a liquid state at high pressure in metal bottles, and used as a source of gas for cooking, heating and as a fuel in internal combustion engines in vehicles.

(organic chemistry) The identification of the totality of the constituents of naturally-occurring petroleum and crude oil

plural of petroleum coke

plural of liquefied petroleum gas