different between cusp vs protocone

English

Etymology

From Latin cuspis (“a point, spear, pointed end”); first used in astrology.

Pronunciation

• IPA^(key): /k?sp/
• Rhymes: -?sp

Noun

cusp (plural cusps)

1. A sharp point or pointed end.
2. (figuratively) An important moment when a decision is made that will determine future events.
3. (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.
4. (architecture) A point made by the intersection of two curved lines or curved structures, a common motif in Gothic architecture.
5. (astrology) A boundary between zodiacal signs and houses.
6. (dentistry) Any of the pointed parts of a canine tooth or molar.
7. (anatomy) A flap of a valve of a heart or blood vessel.

Synonyms

• (sharp point, pointed end): ord

Derived terms

Related terms

Translations

Verb

cusp (third-person singular simple present cusps, present participle cusping, simple past and past participle cusped)

1. (slang) To behave in a reckless or dangerous manner.

References

Anagrams

• CPSU, CPUs, CUPS, Cups, UPCs, UPSC, cups, scup

English

Etymology

proto- +? cone

Noun

protocone (plural protocones)

1. (anatomy) A cusp in the corner of an upper molar tooth in mammals.

See also

• deuterocone
• metacone
• paracone
• hypocone