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See Radius

English

Etymology

radius#Latin|radius, ‘ray’.

Pronunciation


Noun

  1. The long bone in the forearm, on the side of the thumb.
  2. A line segment between any point on the circumference of a circle and its center/centre.
  3. The length of this line segment.


Related terms


Translations


Category:English nouns with irregular plurals

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Crimean Tatar

Etymology

radius#Latin|radius.

Noun

radius (line segment or length of this line segment).

  1. radius#English|radius.


Declension

{{crh-latin-noun|nıñ|qa|nı|ta|tan}}

References

Category:Crimean Tatar nouns

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Esperanto

Verb

radius (conditional mood of radii)

  1. would radiate


Category:Esperanto verb forms

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Latin

Noun

radius (plural: radii)

  1. ray (of light)
  2. staff, rod
  3. spoke (of a wheel)


Category:Skeleton

zh-min-nan:radius de:radius el:radius fr:radius gl:radius ko:radius io:radius id:radius it:radius hu:radius ja:radius no:radius pl:radius ru:radius fi:radius sv:radius ta:radius te:radius vi:radius zh:radius

GNU Project's publication of CIDE, the Collaborative International Dictionary of English Radius \Ra"di*us\ (r[=a]"d[i^]*[u^]s), n.; pl. L. Radii
(r[=a]"d[i^]*[imac]); E. Radiuses
(r[=a]"d[i^]*[u^]s*[e^]z). [L., a staff, rod, spoke of a
wheel, radius, ray. See Ray a divergent line.]
1. (Geom.) A right line drawn or extending from the center of
a circle to the periphery; the semidiameter of a circle or
sphere.
[1913 Webster]

2. (Anat.) The preaxial bone of the forearm, or brachium,
corresponding to the tibia of the hind limb. See Illust.
of Artiodactyla.
[1913 Webster]

Note: The radius is on the same side of the limb as the
thumb, or pollex, and in man it is so articulated that
its lower end is capable of partial rotation about the
ulna.
[1913 Webster]

3. (Bot.) A ray, or outer floret, of the capitulum of such
plants as the sunflower and the daisy. See Ray, 2.
[1913 Webster]

4. pl. (Zool.)
(a) The barbs of a perfect feather.
(b) Radiating organs, or color-markings, of the radiates.
[1913 Webster]

5. The movable limb of a sextant or other angular instrument.
--Knight.
[1913 Webster]

Radius bar (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.

Radius of curvature. See under Curvature.
[1913 Webster]
WordNet radius
n 1: the length of a line segment between the center and
circumference of a circle or sphere [syn: r]
2: a straight line from the center to the perimeter of a circle
(or from the center to the surface of a sphere)
3: a circular region whose area is indicated by the length of
its radius; "they located it within a radius of 2 miles"
4: the outer and slightly shorter of the two bones of the human
forearm
5: support consisting of a radial member of a wheel joining the
hub to the rim [syn: spoke]
[also: radii (pl)]
Moby Dictionary
O , air line , ambit , amplitude , annular muscle , annulus , approach ,
area , areola , asymptote , aureole , axis , beeline , bigness , body ,
bore , bottleneck , breadth , bulk , caliber , carry , chaplet , chord ,
circle , circuit , circumference , circus , closed circle ,
collision course , compass , concentralization , concentration ,
concourse , concurrence , confluence , conflux , congress , convergence ,
converging , corona , coronet , coverage , crossing , crown , cycle ,
depth , diadem , diagonal , diameter , diapason , diffusion , dimension ,
dimensions , direct line , directrix , discus , disk , dispersion , edge ,
emanation , eternal return , expanse , expansion , extension , extent ,
fairy ring , focalization , focus , funnel , gamut , garland , gauge ,
girth , glory , great-circle course , greatness , halo , height , hub ,
largeness , lasso , length , logical circle , loop , looplet ,
magic circle , magnitude , mass , measure , measurement , meeting ,
mutual approach , narrowing gap , noose , normal , orbit ,
perpendicular , proportion , proportions , purview , radiance ,
radiation , radius vector , range , ray , reach , register , right line ,
ring , rondelle , round , roundel , saucer , scale , scattering , scope ,
secant , segment , semidiameter , shortcut , side , size , spectrum ,
sphincter , spoke , spokes , spread , straight , straight course ,
straight line , straight stretch , straightaway , streamline , stretch ,
sweep , tangent , transversal , vector , vicious circle , volume , wheel ,
width , wreath


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