(historical) A religious supporter of Peter of Bruys.

A particular photoreactive catecholate siderophore produced by the marine bacterium Marinobacter hydrocarbonoclasticus

plural of petrocortyne

(UK) a tank designed to hold petrol

A male given name from the Celtic languages of historical use.

plural of petrol tank

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

plural of petroleum fly

Someone who is part of a small group that controls the petroleum industry, and hence has power over lives and governments similar to the powers of an oligarch.

plural of petrobolos