{Orthotomic circle} (Geom.), that circle which cuts three given circles at right angles. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
Orthotomic — In geometry, the orthotomic is the set of reflections of a given point around the tangents of a given curve.The evolute of the orthotomic is the catacaustic.The orthotomic is also the envelope of the circles through the point and centered on the… … Wikipedia
Orthotomic circle — Orthotomic Or tho*tom ic, a. [Ortho + Gr. ? to cleave.] (Geom.) Cutting at right angles. [1913 Webster] {Orthotomic circle} (Geom.), that circle which cuts three given circles at right angles. [1913 Webster] … The Collaborative International Dictionary of English
orthotomic — … Useful english dictionary
co-orthotomic — … Useful english dictionary
Pedal curve — Geometric construction of the pedal of C with respect to P In the differential geometry of curves, a pedal curve is a curve derived by construction from a given curve (as is, for example, the involute). Let C be a given curve and P a fixed point… … Wikipedia
List of curves — This is a list of curves, by Wikipedia page. See also list of curve topics, list of surfaces, Riemann surface. Algebraic curves*Cubic plane curve *Quartic plane curve *Quintic plane curve *Sextic plane curveRational curves*Ampersand curve… … Wikipedia
Caustic (mathematics) — In differential geometry a caustic is the envelope of rays either reflected or refracted by a manifold. It is related to the optical concept of caustics.The ray s source may be a point (called the radiant) or infinity, in which case a direction… … Wikipedia
List of mathematics articles (O) — NOTOC O O minimal theory O Nan group O(n) Obelus Oberwolfach Prize Object of the mind Object theory Oblate spheroid Oblate spheroidal coordinates Oblique projection Oblique reflection Observability Observability Gramian Observable subgroup… … Wikipedia
catacaustic — noun a) a caustic curve formed by light reflecting from a curved surface b) the envelope of all rays that emanate from a specified point (the … Wiktionary
