radius as a noun: - 1
- 2
- 3
- 4
- 5
radius
noun
1 radius
2 radius
A straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere).
3 radius
A circular region whose area is indicated by the length of its radius.
4 radius
The outer and slightly shorter of the two bones of the human forearm.
Dutch: spaakbeen
5 radius
Support consisting of a radial member of a wheel joining the hub to the rim.
synonyms: spoke, wheel spoke.
Roget 200:
length,
longitude,
span;
mileage;
distance
etc.
196.
line,
bar,
rule,
stripe,
streak,
spoke,
radius.
lengthening
etc.
v.;
prolongation,
production,
protraction;
tension,
tensure†;
extension.
[Measures of length]
line,
nail,
inch,
hand,
palm,
foot,
cubit,
yard,
ell,
fathom,
rood,
pole,
furlong,
mile,
league;
chain,
link;
arpent†,
handbreadth†,
jornada [U.S.],
kos†,
vara†.
[astronomical units of distance]
astronomical unit,
AU,
light-year,
parsec.
[metric units of length]
nanometer,
nm,
micron,
micrometer,
millimicron,
millimeter,
mm,
centimeter,
cm,
meter,
kilometer,
km.
pedometer,
perambulator;
scale
etc.
(measurement)
466.
... show more
Dutch: spaak
Polish: szprycha
Moby thesaurus: 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 ... show more.
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