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A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
An Elementary Geometry - Page 49
by William Frothingham Bradbury - 1873 - 110 pages

A manual of natural philosophy, by J.L. Comstock and R.D. Hoblyn

John Lee COMSTOCK (and HOBLYN (Richard Dennis)), John Lee Comstock - 1846 - 506 pages
...GLOBE. A round or spherical body, more usually called a sphere, bounded by one uniform convex surface, every point of which is equally distant from a point within, called the centre. GNOMON. An apparatus used by the ancients for finding the altitudes and declinations of the celestial...

The American Arithmetic

James Robinson (of Boston.) - 1847 - 304 pages
...the figure F, the frustum of a cone. 7. A SPHERE, or GLOBE, is a solid, bounded by a convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter. The...

Introduction to The National Arithmetic: On the Inductive System Combining ...

Benjamin Greenleaf - Arithmetic - 1849 - 336 pages
...inches ? THE SPHERE. ART. 348. A SPHERE is a solid, bounded by one continued convex surface, every part of which is equally distant from a point within, called the centre. The axis or diameter of a sphere is a line passing through the centre, and terminated by the surface....

Elements of Geometry and Conic Sections

Elias Loomis - Conic sections - 1849 - 252 pages
...THE CIRCLE, AND THE MEASURE OF ANGLES. Definitions. 1. A circle is a plane figure bounded by a line, every point of which is equally distant from a point within, called the center. This bounding line is called the circumference of the circle. 2. A radius of a circle is...

Rudimentary dictionary of terms used in architecture [&c.].

John Weale - 1850 - 590 pages
...the top of a bed or canopy Sphere, in geometry, a globe, a solid contained under one uniform surface, every point of which is equally distant from a point within, called the centre of the sphere, and may be conceived to be generated by the revolution of a semicircle about its diameter,...

A New System of Arithmetic on an Improved Plan

Charles Guilford Burnham - 1850 - 350 pages
...round pyramid, having a circular base. 8. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which...

Rudimentary Dictionary of Terms Used in Architecture, Civil ..., Volumes 1-2

John Weale - Architecture - 1850 - 600 pages
...the top of a bed or canopy Sphere, in geometry, a globe, a solid contained under one uniform surface, every point of which is equally distant from a point within, called the centre of the sphere, and may be conceived to be generated by the revolution of a semicircle aboui its diameter,...

The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...top terminated in a point or vertex. 8. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which...