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Dictionary

diph•the•roid

Pronunciation: (dif'thu-roid", dip'-), [key]
—adj. Pathol.
resembling diphtheria, esp. in the formation of a false membrane in the throat.

—n.
any bacterium, esp. of the genus Corynebacterium, that resembles the diphtheria bacillus but does not produce diphtheria toxin.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

diphtheritic

diphthong

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