cusp
IPA: kˈʌsp
noun
- A sharp point or pointed end.
- (figuratively) An important moment when a decision is made that will determine future events.
- (geometry) A point of a curve where the curve is continuous but has no derivative, but such that it has a derivative at every nearby point.
- (architecture) A point made by the intersection of two curved lines or curved structures, a common motif in Gothic architecture.
- (astrology) A boundary between zodiacal signs and houses.
- (dentistry) Any of the pointed parts of a canine tooth or molar.
- (anatomy) A flap of a valve of a heart or blood vessel.
- A point of transition.
verb
- (slang) To behave in a reckless or dangerous manner.
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Examples of "cusp" in Sentences
- An epicycle with one cusp is a cardioid.
- Gnarled enamel is found at the cusps of teeth.
- The nephroid is also an epicycloid of two cusps.
- An epicycloid fails to show any convexity at the cusps.
- The first lower incisor has two cusps and the second has three.
- The matching of the cusps allowed the teeth to meet in a precise bite.
- Decorative cusps draw the eye upward toward the pointed tip of the gable.
- The cheek teeth toward the back of the jaw are wide and have several cusps.
- The best known of these is the cardioid, which is an epicycloid with one cusp.