(chemistry) Any substance that reduces, or donates electrons to, another; in so doing, it becomes oxidized.

A person who finds jobs for actors, models, and other people in the entertainment business.

The substance that creates the buoyancy of a balloon or other airship; normally hydrogen, helium or hot air.

Any organism or substance added to a food product (such as dough or batter) that makes it rise when cooked.

Any food additive added to react with pectin and give the food product a stronger structure.

Any noxious substance intended for use in military or police operations.

any substance added to a food product to provide the texture of a gel

Any substance added to another product to prevent it from forming lumps.

(Britain) A person or company that acts in the sale, lease or maintenance of land, property, real estate etc for another. / (archaic) A land bailiff.

Any food additive added to produce a shiny protective coating