**Semicubical parabola** — Semicubical parabolas for different values of a. In mathematics, a semicubical parabola is a curve defined parametrically as The parameter can be removed t … Wikipedia

**semicubical parabola** — Parabola Pa*rab o*la, n.; pl. {Parabolas}. [NL., fr. Gr. ?; so called because its axis is parallel to the side of the cone. See {Parable}, and cf. {Parabole}.] (Geom.) (a) A kind of curve; one of the conic sections formed by the intersection of… … The Collaborative International Dictionary of English

**Parabola** — Pa*rab o*la, n.; pl. {Parabolas}. [NL., fr. Gr. ?; so called because its axis is parallel to the side of the cone. See {Parable}, and cf. {Parabole}.] (Geom.) (a) A kind of curve; one of the conic sections formed by the intersection of the… … The Collaborative International Dictionary of English

**Semicubical** — Sem i*cu bic*al, a. (Math.) Of or pertaining to the square root of the cube of a quantity. [1913 Webster] {Semicubical parabola}, a curve in which the ordinates are proportional to the square roots of the cubes of the abscissas. [1913 Webster] … The Collaborative International Dictionary of English

**semicubical** — “+ adjective Etymology: semi + cubical : characterized by the square root of the cube of a quantity a semicubical parabola … Useful english dictionary

**cubical parabola** — Parabola Pa*rab o*la, n.; pl. {Parabolas}. [NL., fr. Gr. ?; so called because its axis is parallel to the side of the cone. See {Parable}, and cf. {Parabole}.] (Geom.) (a) A kind of curve; one of the conic sections formed by the intersection of… … The Collaborative International Dictionary of English

**Parabolas** — Parabola Pa*rab o*la, n.; pl. {Parabolas}. [NL., fr. Gr. ?; so called because its axis is parallel to the side of the cone. See {Parable}, and cf. {Parabole}.] (Geom.) (a) A kind of curve; one of the conic sections formed by the intersection of… … The Collaborative International Dictionary of English

**Arc length** — Determining the length of an irregular arc segment is also called rectification of a curve. Historically, many methods were used for specific curves. The advent of infinitesimal calculus led to a general formula that provides closed form… … Wikipedia

**Evolute** — In the differential geometry of curves, the evolute of a curve is the locus of all its centers of curvature. Equivalently, it is the envelope of the normals to a curve. The original curve is an involute of its evolute. (Compare and… … Wikipedia

**Fermat, Pierre de** — born Aug. 17, 1601, Beaumont de Lomagne, France died Jan. 12, 1665, Castres French mathematician. Of Basque origin, Fermat studied law at Toulouse and developed interests in foreign languages, Classical literature, ancient science, and… … Universalium