**subtangent** — [sub tan′jənt] n. Geom. the segment of the x axis included between the ordinate of a given point on a curve and the tangent at that point … English World dictionary

**Subtangent** — In geometry, the subtangent is the projection of the tangent upon the axis of abscissas (i.e., the x axis). Tangent here specifically means a line segment which is tangential to a point P on a curve and which intersects the x axis at point Q .… … Wikipedia

**subtangent** — /sub tan jeuhnt/, n. Geom. the part of the x axis cut off between the ordinate of a given point of a curve and the tangent at that point. [1705 15; SUB + TANGENT] * * * … Universalium

**subtangent** — sub·tangent … English syllables

**subtangent** — |səb+ noun Etymology: sub + tangent : the projection on the x axis of the portion of the tangent to a curve between the x axis and the point of tangency … Useful english dictionary

**Tangent** — For the tangent function see trigonometric functions. For other uses, see tangent (disambiguation). In geometry, the tangent line (or simply the tangent) to a curve at a given point is the straight line that just touches the curve at that point… … Wikipedia

**Isaac Barrow** — Infobox Scientist box width = 200px name = Isaac Barrow image size = 300px caption = Isaac Barrow (1630 1677) birth date = October 1630 birth place = London, England nationality = United Kingdom death date = death date and… … Wikipedia

**List of curve topics** — This is a list of curve topics in mathematics. See also curve, list of curves, and list of differential geometry topics.*acnode *algebraic curve *arc *asymptote *asymptotic curve *Barbier s theorem *barycentric… … Wikipedia

**Differential geometry of curves** — This article considers only curves in Euclidean space. Most of the notions presented here have analogues for curves in Riemannian and pseudo Riemannian manifolds. For a discussion of curves in an arbitrary topological space, see the main article… … Wikipedia

**List of mathematics articles (S)** — NOTOC S S duality S matrix S plane S transform S unit S.O.S. Mathematics SA subgroup Saccheri quadrilateral Sacks spiral Sacred geometry Saddle node bifurcation Saddle point Saddle surface Sadleirian Professor of Pure Mathematics Safe prime Safe… … Wikipedia