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cavities

NOUN

sunken or decayed area

Synonyms

STRONGEST

crater

STRONG

armpit atrium basin bursa caries chamber decay dent depression gap hole hollow pit pocket sinus socket vacuity void

Antonyms

STRONG

bulge closure mountain solid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By exciting the eigenmodes of singular dielectric cavities, the microscope generates highly localized electromagnetic fields.

From Science Daily • May 21, 2026

But employees like Derek aren’t quite as generous with their diagnosis: “They are getting cavities in their brains.”

From Slate • Apr. 9, 2026

Optical reflection measurements confirmed that the cavities behaved as expected.

From Science Daily • Mar. 24, 2026

Larger cavities caused a smooth shift of the resonance toward longer wavelengths, while changes in depth altered both the spectral position and the vertical location of the optical mode.

From Science Daily • Mar. 24, 2026

Ignatius inspected her teeth for cavities and fillings.

From "A Confederacy of Dunces" by John Kennedy Toole