Definition of cold sore in English:

cold sore

Line breaks: cold sore

noun

  • An inflamed blister in or near the mouth, caused by infection with the herpes simplex virus.
    More example sentences
    • If it had been herpes simplex (the cold sore virus), the blisters would have been uniform in size.
    • They think that it might be possible to use a version of the cold sore virus herpes simplex to treat a particularly nasty form of brain cancer called glioma.
    • Herpes simplex infections commonly cause either cold sores around the mouth or blisters in the genital area (also known as genital herpes).

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Word of the day kerf
Pronunciation: kəːf
noun
a slit made by cutting with a saw