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chlorhexidine Line breaks: chlor|hexi¦dine
Pronunciation: /klɔːˈhɛksɪdiːn/

Entry from British & World English dictionary

Definition of chlorhexidine in English:


[mass noun]
A synthetic compound used as a mild antiseptic.
  • A biguanide derivative; chemical formula: C22H30Cl2N10
Example sentences
  • Antiseptics, including chlorhexidine, triclosan, and povidone-iodine, can be used as creams or lotions, soap substitutes, and bath additives.
  • 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.


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

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