| 释义 |
cusp
 cuspcusp C0822700 (kŭsp)n.1. A point or pointed end.2. Anatomy a. A pointed or rounded projection on the chewing surface of a tooth.b. A triangular fold or flap of a heart valve.3. Mathematics A point at which a curve crosses itself and at which the two tangents to the curve coincide.4. Architecture The point of intersection of two ornamental arcs or curves, such as the inner points of a trefoil.5. Astronomy Either point of a crescent moon.6. The boundary between two astrological signs or Zodiacal constellations.Idiom: on the cusp1. On the threshold or verge of a development or action: an actor on the cusp of becoming a star.2. At the dividing line or border of two conditions or categories: an artist on the cusp between Victorianism and modernism.
[Latin cuspis, point.]cusp (kʌsp) n1. (Dentistry) any of the small elevations on the grinding or chewing surface of a tooth2. (Anatomy) any of the triangular flaps of a heart valve3. a point or pointed end4. (Mathematics) geometry Also called: spinode a point at which two arcs of a curve intersect and at which the two tangents are coincident5. (Architecture) architect a carving at the meeting place of two arcs6. (Astronomy) astronomy either of the points of a crescent moon or of a satellite or inferior planet in a similar phase7. (Astrology) astrology any division between houses or signs of the zodiac[C16: from Latin cuspis point, pointed end]cusp (kʌsp)
n. 1. a point or pointed end. 2. an anatomical point or prominence, as on the crown of a tooth or on a valve of the heart. 3. a point where two branches of a curve meet, end, and are tangent. 4. an architectural figure consisting of a pair of curves tangent to the line defining the area, decorated and meeting at a point within the area. 5. a point of a crescent, esp. of the moon. 6. a. the degree of the zodiac that marks the beginning of an astrological house or sign. b. the beginning, esp. the first day, of a new sign. c. a person born on the first day of a sign. 7. a point that marks the beginning of a change: on the cusp of a new era. [1575–85; < Latin cuspis a point] cusp′al, adj. cuspEither of the two points of a crescent moon.Thesaurus| Noun | 1. |  cusp - point formed by two intersecting arcs (as from the intrados of a Gothic arch)point - sharp end; "he stuck the point of the knife into a tree"; "he broke the point of his pencil" | | 2. | cusp - a thin triangular flap of a heart valveleafletflap - a movable piece of tissue partly connected to the bodycardiac valve, heart valve - a valve to control one-way flow of blood | | 3. | cusp - small elevation on the grinding surface of a toothtooth - hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defensetip, peak, point - a V shape; "the cannibal's teeth were filed to sharp points" |
cuspnounA sharp or tapered end:acicula, acumination, apex, mucro, mucronation, point, tip.Translationscusp
cusp1. Dentistry any of the small elevations on the grinding or chewing surface of a tooth 2. Anatomy any of the triangular flaps of a heart valve 3. Geometry a point at which two arcs of a curve intersect and at which the two tangents are coincident 4. Architect a carving at the meeting place of two arcs 5. Astronomy either of the points of a crescent moon or of a satellite or inferior planet in a similar phase 6. Astrology any division between houses or signs of the zodiac cusp Either of the tapering points of the crescent phase of the Moon, Venus, or Mercury.CuspThe intersection of two arcs or foliations in a tracery; the figure formed by the intersection of tracery arcs or foliations.Cusp (religion, spiritualism, and occult)In astrology, cusp refers to two different but related divisions. First, a cusp is the dividing line separating a sign from its preceding sign. For example, someone born just prior to the Sun’s movement out of Cancer and into Leo is said to be “on the cusp of Leo” or “on the Cancer-Leo cusp.” Such an individual is said to manifest traits of both signs. Second, the cusp is the dividing line separating a house from the preceding house. For example, if an individual’s seventh house begins at 10° Aries and ends at 13° Taurus, the person’s seventh house cusp is at 10° Aries. Planets located at end of one house so that they are very close (usually within 5°) to the next house are said to influence the affairs of both houses. Thus, to continue using the previous example, a natal Venus located at 8° Aries in the sixth house would exert—over and above its influence in the sixth house—an influence in the seventh house because it is only 2° away from the seventh-house cusp. Sources:Brau, Jean-Louis, Helen Weaver, and Allan Edmands. Larousse Encyclopedia of Astrology. New York: New American Library, 1980.Leo, Alan. The Complete Dictionary of Astrology. Rochester, VT: Destiny Books, 1989.cusp[kəsp] (anatomy) A pointed or rounded projection on the masticating surface of a tooth. One of the flaps of a heart valve. (architecture) A pointed projection or peak created by the intersection of two arcs. (geology) One of a series of low, crescent-shaped mounds of beach material separated by smoothly curved, shallow troughs spaced at more or less regular intervals along and generally perpendicular to the beach face. Also known as beach cusp. (geophysics) Any of the funnel-shaped regions in the magnetosphere extending from the front magnetopause to the polar ionosphere, and filled with solar wind plasma. (mathematics) A singular point of a curve at which the limits of the tangents of the portions of the curve on either side of the point coincide. Also known as spinode. cusp  types of cusps 1. The intersection of two arcs or foliations in a tracery. 2. The figure formed by the intersection of tracery arcs. Also see foil.cusp
cusp [kusp] a pointed or rounded projection, such as on the crown of a tooth, or a segment of a valve" >cardiac valve. See also valvula" >valvula.Carabelli cusp an accessory fifth cusp on the lingual surface of many maxillary first molars; it may be unilateral or bilateral and varies in size from person to person.semilunar cusp any of the semilunar segments of the valve" >aortic valve (having posterior, right, and left cusps) or the valve" >pulmonary valve (having anterior, right, and left cusps).cusp (kŭsp), [TA] 1. In dentistry, a conic elevation arising on the surface of a tooth from an independent calcification center.
See also: dental tubercle. 2. A leaflet of one of the heart's valves. Synonym(s): cuspis [TA] [L. cuspis, point] cusp (kŭsp)n. Anatomy a. A pointed or rounded projection on the chewing surface of a tooth.b. A triangular fold or flap of a heart valve.cusp A rigid, sharp point, especially on a leaf Cardiology One of the triangular segments of the pulmonic or aortic valve which opens and closes with the flow of bloodcusp (kŭsp) [TA] 1. dentistry A conic elevation arising on the surface of a tooth from an independent calcification center. 2. A leaflet of a cardiac valve.
Synonym(s): cuspis [TA] . [L. cuspis, point]cusp one of a series of projections on the biting surface of a molar tooth in mammals.cusp (kŭsp) [TA] In dentistry, a conic elevation arising on the surface of a tooth from an independent calcification center.
See also: dental tubercle
Synonym(s): cuspis [TA] . [L. cuspis, point]CUSP
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cusp
Synonyms for cuspnoun a sharp or tapered endSynonyms- acicula
- acumination
- apex
- mucro
- mucronation
- point
- tip
Synonyms for cuspnoun point formed by two intersecting arcs (as from the intrados of a Gothic arch)Related Wordsnoun a thin triangular flap of a heart valveSynonymsRelated Words- flap
- cardiac valve
- heart valve
noun small elevation on the grinding surface of a toothRelated Words |