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| aph·tha [ áfthə ] (plural aph·thae [ áf th ]) |
noun |
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| Definition: |
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mouth ulcer: a small white ulcer that appears in groups in the mouth and on the tongue as a result of the fungal condition thrush
(
technical
)
(
usually used in the plural
)
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| [Mid-17th century. Via Latin< Greek] |
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 aph·thous adjective |
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