Quaternary Period

Science / Biology / Quaternary Period: The most recent geologic period of the Cenozoic Era, the Quaternary began 2 million years ago with the growth of northern hemisphere continental glaciers and the ice age.

Other Words for Period

Period Noun Synonyms: interval, time, term, span, duration, spell, space, stretch, while, patch
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Periodontal Disease

Health / Dentistry / Periodontal Disease: The inflammation and infection of gums, ligaments, bone, and other tissues surrounding the teeth. Gingivitis and periodontitis are the two main forms of periodontal disease. Also called gum disease or MORE

Periodontal

Health / Dentistry / Periodontal: Relating to the tissue and bone that supports the tooth (from peri, meaning 'around,' and odont, 'tooth'). MORE

Periodization

Health / Fitness / Periodization: A method of organizing a strength training workout program into several periods, each lasting about four weeks. Each phase has a different emphasis. MORE

Periodicity

Business / Finance / Periodicity: The level of detail in terms of time at which data is forecast or reported, specified as months, quarters, or years. MORE

Periodontal Pocket

Health / Dentistry / Periodontal Pocket: An abnormal deepening of the gingival crevice. It is caused when disease and infection destroy the ligament that attaches the gum to the tooth and the underlying bone. MORE

Periodontal Surgery

Health / Dentistry / Periodontal Surgery: A surgical procedure involving the gums and jawbone. MORE

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