Definition of chlorhexidine in English:



  • [mass noun] A synthetic compound used as a mild antiseptic.

    • ‘The physical action of washing hands under such circumstances is recommended because alcohols, chlorhexidine, iodophors, and other antiseptic agents have poor activity against spores.’
    • ‘Antiseptic mouthwashes containing chlorhexidine may be used as a short term measure to chemically control plaque but they are not suitable to use for longer than one month.’
    • ‘He or she may also recommend an antiseptic mouthwash such as chlorhexidine (eg Corsodyl) that helps prevent plaque forming.’
    • ‘Antiseptics, including chlorhexidine, triclosan, and povidone-iodine, can be used as creams or lotions, soap substitutes, and bath additives.’
    • ‘We have no evidence to support the therapeutic value of disinfecting agents such as chlorhexidine or povidone-iodine.’


Mid 20th century: from chlor- (representing chlorine) + hex(ane) + -id(e) + (am)ine.