Adjuvant 2 : A substance other than water, without significant pesticidal properties, which enhances or is intended to enhance the effectiveness of a pesticide product (when it has been added to the spray tank with the pesticide product)
Health and Safety Executive (HSE), Glossary of Terms on Pesticides Industries, HSE, Merseyside, England, UK 2014. www.pesticides.gov.uk/guidance/industries/pesticid es/.../glossary-of-terms, (Hlth and Sfty - Brit) {717}