marginal ridge (medicine) and Norse 2, noun (oh)

marginal ridge (medicine)

marginal ridge -->
marginal crest

The rounded borders which form the mesial and distal margins of the occlusal surface of a tooth.

Synonym: crista marginalis, marginal ridge.

Norse 2, noun (oh)

2 n [U]
the language that was spoken by the people of ancient Scandinavia

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