IPA: //ˈreɪdʒɪn//
KK: /ˈreɪdʒɪn/
A type of substance found in the blood that is linked to certain medical conditions, such as syphilis or allergies.
The doctor tested for reagin to determine if the patient had a history of syphilis.
The word 'reagin' originates from the German word 'Reagenz', meaning a reagent or substance used in a chemical reaction. It is derived from the Latin 'reagere', meaning to react. The term 'reagin' specifically refers to a substance that reacts with another in a chemical context.
Think of 'reacting' to remember that 'reagin' is a substance that causes a reaction in a chemical process.