One of the mysteries of the English language finally explained.
Having two cusps or points.
- ‘A score of 2 was given to fully bicuspid dentition, while a score of 3 was given to fully tricuspid dentition, with even cusp heights.’
- ‘The overwhelming cause of aortic valve disease in Europe is calcific degenerative disease, and about 2% of the population have congenitally bicuspid aortic valves.’
- ‘Persons born with a bicuspid aortic valve are predisposed to develop aortic stenosis.’
- ‘Incisors cut food, and cuspid and bicuspid teeth grasp and tear food.’
- ‘Causes of dissection include hypertension, Marfan's syndrome, trauma, Ehler's Danlos, coarctation, bicuspid aortic valve and relapsing polychondritis.’
A tooth with two cusps, especially a human premolar tooth.
- ‘Each of the four ‘worlds’ has two incisors, one canine, two bicuspids, and three molars.’
- ‘Missing from his upper jaw were three or four bicuspids.’
- ‘I realized that one of his bicuspids was dead, turning the green-gray of dead teeth.’
- ‘Behind the canines are the premolars, or bicuspids.’
- ‘I was a little nervous all weekend about this morning's yank, but the broken bicuspid has come and gone without incident.’
Mid 19th century: from bi- ‘two’ + Latin cuspis, cuspid- ‘sharp point’.
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