canker sore

An ulcer in the mouth, called an aphthous ulcer, caused by a break in the mucous membrane.

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  • canker sore — canker ,sore noun count AMERICAN a small sore inside the mouth …   Usage of the words and phrases in modern English

  • canker sore — noun an ulceration (especially of the lips or lining of the mouth) • Syn: ↑canker • Derivationally related forms: ↑cankerous (for: ↑canker), ↑canker (for: ↑canker) …   Useful english dictionary

  • Canker sore — A small ulcer crater in the lining of the mouth that is often painful and very sensitive. Also known as an aphthous ulcer. Canker sores are one of the most common problems that occur in the mouth. About 20% of the population (1 in 5 people) have… …   Medical dictionary

  • canker sore — Pathol. an ulceration of a mucous membrane, esp. of the mouth. [1905 10] * * * ▪ medical disorder also called  aphthous stomatitis,         a small, painful ulcer of the oral cavity. Canker sores are round, shallow, white ulcers on the inner… …   Universalium

  • canker sore — noun Date: circa 1596 a painful shallow ulcer of the mouth that has a grayish white base surrounded by a reddish inflamed area and is of uncertain cause but is not due to the virus causing herpes simplex compare cold sore …   New Collegiate Dictionary

  • canker sore — small ulcer located in the mouth …   English contemporary dictionary

  • canker — [kaŋ′kər] n. [ME < OFr cancre < L cancer: see CANCER] 1. an ulcerlike sore, esp. in the mouth: thought to be an immune reaction: cf. COLD SORE: also canker sore 2. a) a disease of plants that causes local decay of bark and wood b) a… …   English World dictionary

  • sore — Synonyms and related words: abrasion, abscess, acerb, acerbate, acerbic, ache, aching, acid, acidic, acidulent, acidulous, acrid, acrimonious, acute, affecting, afflictive, aggrieved, agonizing, ague, algesia, algetic, anemia, angered, angry,… …   Moby Thesaurus

  • canker — Synonyms and related words: abscess, adulterate, alloy, aposteme, bed sore, blain, blast, bleb, blight, blister, boil, break up, bubo, bulla, bunion, cancer, canker sore, carbuncle, chancre, chancroid, cheapen, chilblain, coarsen, cold sore,… …   Moby Thesaurus

  • canker — 1. In cats and dogs, acute inflammation of the external ear and auditory canal. See aphtha. 2. In the horse, a process similar to but more advanced than thrush; the horny frog is generally underrun with a whitish, cheeselike exudate, and the …   Medical dictionary

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