cold sore

noun
Updated on: 8 Nov 2017

Definition of cold sore

:a group of fluid-filled blisters appearing about or within the mouth that are caused by a herpes simplex virus and upon rupturing form crusts called also fever blister; compare canker sore

Recent Examples of cold sore from the Web

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First Known Use of cold sore

1870


COLD SORE Defined for English Language Learners

cold sore

noun

Definition of cold sore for English Language Learners

  • : a small sore area around or inside the mouth that is caused by a virus


Medical Dictionary

cold sore

noun

medical Definition of cold sore

:a vesicular lesion that typically occurs in or around the mouth, that initially causes pain, burning, or itching before bursting and crusting over, and that is caused by a herpes simplex virus which remains dormant in the body and may be reactivated by a variety of factors (as stress, fever, or sunburn) called also fever blister; compare canker sore

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