from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A line segment that joins the center of a circle with any point on its circumference.
- noun A line segment that joins the center of a sphere with any point on its surface.
- noun A line segment that joins the center of a regular polygon with any of its vertices.
- noun The length of any such line segment.
- noun A circular area measured by a given radius.
- noun A bounded range of effective activity or influence.
- noun A radial part or structure, such as a mechanically pivoted arm or the spoke of a wheel.
- noun A long, prismatic, slightly curved bone in humans, the shorter and thicker of the two forearm bones, located on the lateral side of the ulna.
- noun A similar bone in many other vertebrates.
from The Century Dictionary.
- noun One of the principal longitudinal veins in an insect's wing, between the subcosta and the præmedia. It is vein III of Comstock's system.
- noun In mathematics, one of a number of lines proceeding from a center; a ray; especially, a line drawn from the center to the periphery of a circle or sphere; also, the measure of the semidiameter.
- noun In anatomy and zoology, the outer one of the two bones of the forearm, or corresponding part of the fore leg; the bone on the thumb side of the forearm, extending from the humerus to the carpus, and bearing upon its distal end the manus or hand: so called from its revolving, somewhat like a spoke, about the ulna, as in man and other mammals whose fore limb exhibits the motions called
- noun In ichthyology, a bone of the pectoral arch, wrongly identified by some naturalists with the radius of higher vertebrates. The one so called by Cuvier is the hypercoracoid, and that of Owen is the hypocoracoid.
- noun In entomology, a vein of the wing of some insects, extending from the pterostigma to the tip of the wing.
- noun In conchology, a genus of Ovulidæ. R. volra is the shuttle-shell or weaver-shell.
- noun plural In ornithology, the barbs of the main shaft of a feather; the rays of the first order of the rachis.
- noun In arachnology, one of the radiating lines of a geometrical spider's web, which are connected by a single spiral line.
- noun In echinoderms, one of the five radial pieces of the dentary apparatus of a sea-urchin, being an arched rod-like piece articulated at its base with the inner extremity of each rotula, running more or less nearly parallel with the rotula, and ending in a free bifurcated extremity. Also called the compass of the lantern of Aristotle (which see, under
lantern). See also cut B under lantern.
- noun plural Specifically, in Cirripedia, the lateral parts of the shell, as distinguished from the paries, when they overlap: when overlapped by others, they are called
- noun In botany, a ray, as of a composite flower, etc.
- noun The movable limb or arm of a sextant; also, a similar feature in any other instrument for measuring angles.
- noun In fortification, a line drawn from the center of the polygon to the end of the outer side.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Geom.) A right line drawn or extending from the center of a circle to the periphery; the semidiameter of a circle or sphere.
- noun (Anat.) The preaxial bone of the forearm, or brachium, corresponding to the tibia of the hind limb. See
- noun (Bot.) A ray, or outer floret, of the capitulum of such plants as the sunflower and the daisy. See
- noun The barbs of a perfect feather.
- noun Radiating organs, or color-markings, of the radiates.
- noun The movable limb of a sextant or other angular instrument.
- noun (Mach.) a bar pivoted at one end, about which it swings, and having its other end attached to a piece which it causes to move in a circular arc.
- noun See under
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun anatomy The long
bonein the forearm, on the side of the thumb.
- noun zoology The lighter bone (or fused portion of bone) in the forelimb of an animal.
- noun geometry A line segment between any point on the
circumferenceof a circleand its center/centre.
- noun geometry The length of this line segment.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun support consisting of a radial member of a wheel joining the hub to the rim
- noun the outer and slightly shorter of the two bones of the human forearm
- noun a circular region whose area is indicated by the length of its radius
- noun the length of a line segment between the center and circumference of a circle or sphere
- noun a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
The radius, _p b_, of the upper circle is termed the _crater radius_; the line _o p_, drawn from the centre of the charge perpendicular to the surface where the explosion takes place, is termed the _line of least resistance_; the line _o b_, drawn from the centre of the powder to any point in the circumference of the upper circle, is termed the _radius of explosion_.
Elements of Military Art and Science Or, Course Of Instruction In Strategy, Fortification, Tactics Of Battles, &C.; Embracing The Duties Of Staff, Infantry, Cavalry, Artillery, And Engineers; Adapted To The Use Of Volunteers And Militia; Third Edition; With Critical Notes On The Mexican And Crimean Wars. Henry Wager Halleck 1843
Since the Earth's radius is around 6400 km, I could probably jump off a celestial body of the Earth's density which had a radius of about 2.7 km or smaller
Chris Lightfoot's quiz nwhyte 2009
The moz-border-radius is understood by all mozilla based browsers such as Firefox.
Not to mention I live near Philadelphia, PA and he will not shoot outside of a certain radius away from the city, which would mean filming of BD would be nearby.
Indeed, Mars's satellite Phobos, whose mean radius is 11.1 km, has a numerically similar escape velocity of 11.3 metres per second - as you may vaguely remember fron Arthur C. Clarke's story, "Hide-and-Seek".
Chris Lightfoot's quiz nwhyte 2009
So we went outside and, lo and behold, about 20 degrees* in radius around the Moon was a nearly complete halo!
Archive 2008-09-15 Nicole 2008
Daniel – not sure what that wide radius is but I can think of two places with good fried foods.
At only 30 feet tall and 2 feet in radius, Windspire is distinguished by its sleek propeller-free design, ultra quiet operation, rugged construction, and affordable pricing.
And, indeed, I would agree with that ranking, but the only reason we want a sphere of autonomy is because we happen to be sympathetic to ranking freedoms according to their radius from the center of the sphere of autonomy.
The Nanny Two-Step 2007
Thus the clockwork Earth is (2,575,342/2pi = 409,878 km) in radius (about 64x our Earth's)
Mainspring - orbital dynamics jaylake 2007