as in holes
a sunken area forming a separate space
a cavity in the lawn where a tree stump had been removed
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Recent Examples of cavities
Fluoride is the primary ingredient of toothpaste and helps strengthen tooth enamel and reduce the risk of cavities.
—
Douglas Hanks, Miami Herald, 11 Mar. 2025
Advocates for fluoride in drinking water, including the American Academy of Pediatrics, say there’s no doubt public health is better served by local governments continuing to use water supplies to reduce cavities in the population.
—Douglas Hanks, Miami Herald, 11 Mar. 2025
Your sinuses and nasal cavities are lined by a mucus layer that protects your body from inhaling irritants.
—Lindsay Curtis, Health, 5 Mar. 2025
Her work contributed to a greater understanding of blood types, how antibiotics interact with gut bacteria and the relationship between bacteria and dental cavities.
—Alex Knapp, Forbes, 28 Feb. 2025
Eating starch can lead to cavities—just like sugar does—among people with too many copies of a certain gene.
—David Faris, Newsweek, 27 Feb. 2025
Jones points to a handful of studies evaluating whether xylitol prevents cavities and infections, saying the FDA would require overly expensive studies to get xylitol approved as a drug.
—Arthur Allen, CNN, 26 Feb. 2025
Major public health groups, including the American Academy of Pediatrics, the American Dental Association and the CDC — which says drinking fluoridated water keeps teeth strong and reduces cavities — support adding fluoride to water.
—Mirna Alsharif, NBC News, 25 Feb. 2025
Summary Your bone marrow is a spongy material located in the cavities of your bones.
—Gagandeep Brar, Verywell Health, 14 Feb. 2025
Douglas Hanks, Miami Herald, 11 Mar. 2025
Advocates for fluoride in drinking water, including the American Academy of Pediatrics, say there’s no doubt public health is better served by local governments continuing to use water supplies to reduce cavities in the population.
—Douglas Hanks, Miami Herald, 11 Mar. 2025
Your sinuses and nasal cavities are lined by a mucus layer that protects your body from inhaling irritants.
—Lindsay Curtis, Health, 5 Mar. 2025
Her work contributed to a greater understanding of blood types, how antibiotics interact with gut bacteria and the relationship between bacteria and dental cavities.
—Alex Knapp, Forbes, 28 Feb. 2025
Eating starch can lead to cavities—just like sugar does—among people with too many copies of a certain gene.
—David Faris, Newsweek, 27 Feb. 2025
Jones points to a handful of studies evaluating whether xylitol prevents cavities and infections, saying the FDA would require overly expensive studies to get xylitol approved as a drug.
—Arthur Allen, CNN, 26 Feb. 2025
Major public health groups, including the American Academy of Pediatrics, the American Dental Association and the CDC — which says drinking fluoridated water keeps teeth strong and reduces cavities — support adding fluoride to water.
—Mirna Alsharif, NBC News, 25 Feb. 2025
Summary Your bone marrow is a spongy material located in the cavities of your bones.
—Gagandeep Brar, Verywell Health, 14 Feb. 2025
Cite this Entry
“Cavities.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cavities. Accessed 13 Jul. 2025.
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