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hapten

[ hap-ten ]

noun

, Immunology.
  1. 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.

hapten

/ ˈhæptən; ˈhæptiːn /

noun

  1. immunol an incomplete antigen that can stimulate antibody production only when it is chemically combined with a particular protein

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Word History and Origins

Origin of hapten1

1920–25; < German < Greek hápt ( ein ) to grasp + German -en -ene

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Word History and Origins

Origin of hapten1

C20: from German, from Greek haptein to fasten

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