(physics) The conversion of one form of energy into another, or the movement of energy from one place to another.

(organic chemistry) Any of a class of unsaturated diols of the form R-C(OH)=C(OH)-R for vicinal diols, or -C=C(OH)₂ for geminal diols, often produced by enolization. Alternative names for vicinal diols are ketene hydrate, 1,1-dihydroxyethene, and enolic form of a carboxylic acid.

(British spelling) Alternative form of energize

Non-polluting source of energy.

A highly caffeinated, sometimes carbonated, beverage containing added ingredients advertised as increasing alertness, performance etc.

Alternative spelling of archenemy

An economic problem caused by a dwindling supply of energy, at an increasing price.

plural of public enemy

A criminal widely regarded as dangerous or antisocial.

The condition of a region, country or household not having enough energy resources for the needs of its population.