Wiktionary

fever blister

English

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Etymology

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Compound of fever +‎ blister,[1] likely for an association with fever or other illness.

Noun

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fever blister (plural fever blisters)

  1. A cold sore, an outbreak of vesicles caused by herpes simplex viral infection, especially when recurring during another illness that causes fever.

References

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  1. ^ “fever, n.”, in OED Online  ⁠, Oxford, Oxfordshire: Oxford University Press, March, 2019.
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