(chemistry) Any compound that reacts with a metal ion to produce a chelate.

plural of agent noun

(taxonomy) A grouping of closely-related species that are treated like a single species for practical purposes.

Trapped, cornered; discommoded, discomfited; in a quandary.

A wallaby, Macropus agilis, of northern Australia.

(idiomatic, Britain) in a tight spot.

(psychology) Showing passive, sometimes obstructionist resistance to following authoritative instructions in interpersonal or occupational situations.

(Britain, historical) An executive agency of the Department for Transport in the United Kingdom with responsibility for managing the core road network in England; superseded by Highways England.

Synonym of nerve gas

A person or group whose job is to buy equipment, supplies, inventory, or other assets for a business or other organization.