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Definition of morning breath
: halitosis upon awakening from sleep that is caused by the buildup of bacteria in the mouth from decreased saliva production
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morning breath
nounmorn·ing breath | \ ˈmȯr-niŋ- 
\
\Medical Definition of morning breath
: halitosis upon awakening from sleep that is caused by the buildup of bacteria in the mouth due to decreased saliva production
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Time Traveler for morning breath
The first known use of morning breath was in 1968
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