/dif"theuh royd', dip"-/ , adj. Pathol.
1. resembling diphtheria, esp. in the formation of a false membrane in the throat.
n.
2. any bacterium, esp. of the genus Corynebacterium, that resembles the diphtheria bacillus but does not produce diphtheria toxin.
[ 1860-65; DIPHTHER(IA) + -OID ]