Meaning & use
Diphtheria
Last updated
A serious bacterial infection that affects the mucous membranes of the throat and nose, potentially causing breathing difficulty and, if untreated, severe complications.
See it in a sentence
Vaccination has made diphtheria extremely rare in most developed countries.
The historic sled dog relay to Nome was organized to deliver diphtheria antitoxin.
A note on using this word
The name comes from the Greek "diphthera," meaning "leather," referring to the tough membrane the infection forms in the throat.
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