mouth ulcer

noun

Definition of mouth ulcer

: a small painful sore inside the mouth

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Dictionary Entries Near mouth ulcer

mouth-to-mouth resuscitation

mouth ulcer

mouthwash

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Statistics for mouth ulcer

Cite this Entry

“Mouth ulcer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mouth%20ulcer. Accessed 22 May. 2022.

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