circle+known
91Vertical circle — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …
92Voltaic circle — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …
93Crop circle — For the irrigation method that produces circular fields of crops, see center pivot irrigation. A 780 ft (240 m) crop circle in the form of a double (six sided) triskelion composed of 409 circles. Milk Hill, England, 2001 A crop circle… …
94Meridian circle — Groombridge transit circle of 1806 The meridian circle, transit circle, or transit telescope is an instrument for observing the time of stars passing the meridian, at the same time measuring its angular distance from the zenith. The idea of… …
95Squaring the circle — Squaring the circle: the areas of this square and this circle are equal. In 1882, it was proven that this figure cannot be constructed in a finite number of steps with an idealized compass and straightedge …
96Miami Circle — This article is about the architectural site in Miami, Florida. For design district in Atlanta, Georgia, see Lindbergh/Morosgo. The Miami Circle at Brickell Point Site U.S. National Register of Historic Places …
97Stone circle — This article is about the European Megalithic stone circles. See Stone circle (disambiguation) for other uses. Swinside stone circle, in the Lake District, England. A stone circle is a monument of standing stones arranged in a circle usually… …
98Mohr's circle — Mohr s circles for a three dimensional state of stress Mohr s circle, named after Christian Otto Mohr, is a two dimensional graphical representation of the state of stress at a point. The abscissa, , and ordinate …
99Nine-point circle — The nine points In geometry, the nine point circle is a circle that can be constructed for any given triangle. It is so named because it passes through nine significant points defined from the triangle. These nine points are: The midpoint of each …
100Dupont Circle — For the Metro station, see Dupont Circle (WMATA station). Dupont Circle Historic District U.S. National Register of Historic Places …
