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(ˈdɪf θəˌrɔɪd, ˈdɪp-)

1. resembling diphtheria, esp. in the formation of a false membrane in the throat.
2. any bacterium, esp. of the genus Corynebacterium, that resembles the diphtheria bacillus but does not produce diphtheria toxin.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Only one positive blood culture with skin flora bacteria (coagulase-negative Staphylococcus, diphtheroid bacilli, etc.) was not accepted as a BSI.
(18,20,21) While acute mortality is the most common sign of PHV-1 infection in juvenile pigeons, coryza, conjunctivitis, diphtheroid stomatitis, and pharyngitis are the most prominent signs observed in clinically affected subadult to adult pigeons with PHV-1 infections.
G+ R diphth/no spores Gram-positive rods with diphtheroid morphology and no endospores.
Makker, "Shunt nephritis: demonstration of diphtheroid antigen in glomeruli," American Journal of the Medical Sciences, vol.