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An agent that produces chemical reactions. Classified under: Nouns denoting substances. Hypernyms (chemical agent is a kind of...): agent (a substance that exerts some force or effect) Hyponyms (each of the following is a kind of chemical agent): active; active agent (chemical agent capable of activity)
A substance capable of reducing the surface tension of a liquid in which it is dissolved. Classified under: Nouns denoting substances. Synonyms: surface-active agent; surfactant; wetter; wetting agent. Hypernyms (surfactant is a kind of...): chemical agent (an agent that produces chemical reactions) Hyponyms (each of the following is a kind of surfactant): emulsifier (a surface-active agent that promotes the formation of an emulsion) detergent (a surface-active chemical widely used in industry and laundering)