| Main Entry: | blister |
| Part of Speech: | noun |
| Definition: | swelling |
Synonyms: |
abscess, blain, bleb, boil, bubble, bulla, burn, canker, carbuncle, cyst, furuncle, pimple, pustule, sac, sore, ulcer, vesication, vesicle, wale, weal, welt, wheal |
| Main Entry: | fever blister |
| Part of Speech: | noun |
| Definition: | cold sore |
Synonyms: |
blister, bulla, herpes labialis, herpes simplex lesion, oral herpes, vesicle |
| Notes: | a cold sore or fever blister is usually caused by herpes simplex; a canker sore is usually due to food allergy or stress |