- a substance having a single antigenic determinant that can react with a previously existing antibody but cannot stimulate more antibody production unless combined with other molecules; a partial antigen.
Also hap·tene [hap-teen] /ˈhæp tin/.
Origin of hapten
1920–25; < German < Greek hápt(ein) to grasp + German -en -ene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- immunol an incomplete antigen that can stimulate antibody production only when it is chemically combined with a particular protein
C20: from German, from Greek haptein to fasten
- A substance that is capable of reacting with a specific antibody but cannot induce the formation of antibodies unless bound to a carrier protein or other molecule.incomplete antigen partial antigen