light-year
noun
1 light-year
The distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers.
synonym: light year.
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.
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Dutch: lichtjaar
Polish: rok świetlny
light-years
noun
Roget 196:
distance;
space
etc.
180;
remoteness,
farness†,
far-cry to;
longinquity†,
elongation;
offing,
background;
remote region;
removedness†;
parallax;
reach,
span,
stride.
outpost,
outskirt;
horizon;
aphelion;
foreign parts,
ultima Thule [Lat.],
ne plus ultra [Lat.],
antipodes;
long range,
giant's stride.
dispersion
etc.
73.
[units of distance]
length
etc.
200.
cosmic distance,
light-years.
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