wetting agent

English

Noun

wetting agent (plural wetting agents)

1. A substance, such as a surfactant, that reduces the surface tension of a liquid, allowing it to spread across and penetrate the surface of a solid.

See also

• cleaning agent (often coinstantiated)

Further reading

• “wetting agent”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “wetting agent” in Longman Dictionary of Contemporary English, Longman.
• “wetting agent”, in Collins English Dictionary.