con ‧ junc ‧ ti ‧ vi ‧ tis /kənˌdʒʌŋktɪˈvaɪtəs, kənˌdʒʌŋktɪˈvaɪtɪs/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Origin: conjunctiva 'surface layer of the eye' (16-21 centuries) , from Modern Latin , from Latin conjunctus ; CONJUNCT ]
a painful and infectious disease of the eye that makes it red