Crossword clues for diameter
diameter
- Shortest route across the globe merited a shot
- Twice radius
- Geometry line
- Twice a radius
- Line through the middle
- Circle bisector
- Twice the radius
- Radius times two
- Radius doubled
- Planetary measure
- Pizza slice?
- Longest possible chord
- Line through the center of a circle
- 7,926 miles, for Earth
- 7,918 miles, for Earth
- Geometric measurement
- 7,926 miles, for the earth
- Ball measure
- Line across a circle
- Pipe measure
- A straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
- The length of a straight line passing through the center of a circle and connecting two points on the circumference
- Trans-central chord
- Lens magnification factor
- Thickness, as of a tree
- Circle measure
- Circle width
- Circle divider
- Double radius
- Width of a circle
Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Diameter \Di*am"e*ter\, n. [F. diam[`e]tre, L. diametros, fr. Gr. ?; dia` through + ? measure. See Meter.]
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(Geom.)
Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve.
A diametral plane.
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The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock.
Note: In an elongated object the diameter is usually taken at right angles to the longer axis.
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(Arch.) The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See Module.
Conjugate diameters. See under Conjugate.
Douglas Harper's Etymology Dictionary
Wiktionary
n. 1 (context geometry English) Any straight line between two points on the circumference of a circle that passes through the centre/center of the circle. 2 (context geometry English) The length of such a line. 3 (context geometry English) The maximum distance between any two points in a metric space 4 (context graph theory English) The maximum eccentricity over all vertices in a graph.
WordNet
n. the length of a straight line passing through the center of a circle and connecting two points on the circumference [syn: diam]
a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
Wikipedia
Diameter is an authentication, authorization, and accounting protocol for computer networks. It evolved from and replaces the much less capable RADIUS protocol that preceded it.
Diameter Applications extend the base protocol by adding new commands and/or attributes, such as those for use with the Extensible Authentication Protocol (EAP).
- redirect Distance (graph theory)
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for the diameter of a sphere. The word "diameter" is derived from Greek διάμετρος (diametros), "diameter of a circle", from δια- (dia-), "across, through" + μέτρον (metron), "measure". It is often abbreviated DIA, dia, d, or ⌀.
In more modern usage, the length of a diameter is also called the diameter. In this sense one speaks of the diameter rather than a diameter (which refers to the line itself), because all diameters of a circle or sphere have the same length, this being twice the radius r.
$d = 2r \quad \Rightarrow \quad r = \frac{d}{2}.$For a convex shape in the plane, the diameter is defined to be the largest distance that can be formed between two opposite parallel lines tangent to its boundary, and the width is defined to be the smallest such distance. Both quantities can be calculated efficiently using rotating calipers. For a curve of constant width such as the Reuleaux triangle, the width and diameter are the same because all such pairs of parallel tangent lines have the same distance.
For an ellipse, the standard terminology is different. A diameter of an ellipse is any chord passing through the midpoint of the ellipse. For example, conjugate diameters have the property that a tangent line to the ellipse at the endpoint of one of them is parallel to the other one. The longest diameter is called the major axis.
Usage examples of "diameter".
It was as if the sky were covered with a thick cloud bank which absorbed the monstrous radiation of a sun now four times its previous diameter and madly changing shape like a monstrous ameba of flame.
Three immense ammonites, probably several feet in diameter, hung suspended in the clear water.
Through and throughout the entire volume of volatilization Nadreck drove analyzers and detectors, until he knew positively that no particle of material substance larger in diameter than five microns remained of either Kandron or his space-ship.
These drains are of wood, asphaltum coated, with an inside diameter ranging from 3 to 6 in.
In an effort to hide her Auca ancestry she combs her hair down to cover her disfigured ear lobes-- ear lobes once adorned with round balsa wood plugs more than an inch in diameter.
The basswood was fully three feet in diameter, and leaned slightly toward the brook.
As soon as the hull of the vessel, approximately spherical and a hundred meters in diameter, rose into view through the forcegate she recognized it as an advanced type of battlecraft, bearing the insignia of the planetary defense forces of Salutai.
They first pitched upon the almost circular island of Noemfoor, about eleven miles in diameter, midway between Biak and Manokwari.
A particularly showy native flower of the Planet Texas, three inches in diameter when fully opened, the bloodflower exuded a liquid of the color and consistency of human blood when disturbed.
Those Bofors masers will zap anything over fifty centimetres in diameter.
Within that narrow circle, four kilometres in diameter, stood Cartier dreaming of Asia, asking for permission to explore the mysterious square gulf, the St.
Four trees composed the centerpiece of this place, each over a thousand feet tall, and a hundred and fifty in diameter.
There was Ceres, the largest of all, nearly five hundred miles in diameter.
Bendix lightware number cruncher was in the centre of the room, a steel-blue globe one metre in diameter, sitting on a pedestal at chest height.
The dampeners pressed in on the conduit of plasma, narrowing its diameter, narrowing their view of the launch dome that now lay at its other end point.