canker sore

American  

noun

Pathology.

1. an ulceration of a mucous membrane, especially of the mouth.

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Etymology

Origin of canker sore

First recorded in 1905–10

Compare meaning

How does canker-sore compare to similar and commonly confused words? Explore the most common comparisons:

• canker sore vs. ulcer

Example Sentences

As humans, we are nothing if not fascinated by our own bodies, whether that’s picking a scab, prodding a canker sore or popping a pimple.

From Los Angeles Times

Q: A little over a year ago, my wife began to get canker sores, which she hadn’t had since her youth.

From Seattle Times

Prolonged direct contact with radioactive material can cause skin rashes, hair loss, canker sores, fatigue, and vomiting.

From Seattle Times

Health officials cautioned the public that prolonged direct contact with radioactive material can cause skin rashes, hair loss, canker sores, fatigue, and vomiting.

From Seattle Times

Instead of launching systemic reforms that could help head off moral injury, they’re offering “wellness solutions” such as massages and meditation tips, which can amount to putting a Band-Aid on a canker sore.

From Scientific American