Definition of parsec
par´sec
Pronunciation:
pär´sĕk
n.
1.
(Astron.)
A
unit
of
length
used
in
describing
astronomical
distances
,
equal
to
3
.
26
light
years
,
or
3
.
086
x
10
13
km
.
Abbreviated
pc
.
The
derived
units
of
kiloparsec
(
kpc
,
1000
parsecs
)
and
megaparsec
(
mpc
,
one
million
parsecs
)
are
often
found
in
discussion
of
astronomical
distances
.
Related Words
astronomy
unit
,
secpar
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Parrhesia
Parricidal
Parricide
Parricidious
Parrock
Parrot
Parrot coal
Parrot green
Parrot weed
Parrot wrasse
Parrot's-bill
Parroter
parrotfish
Parrotia
Parrotiopsis
parrotlike
Parrotry
Parry
parse
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Parseeism
parser
Parsi
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Parsimonious
parsimoniousness
Parsimony
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Parsley fern
Parsley piert
Parsnip
Parson
Parson bird
Parsonage
Parsoned
Parsonic
Parsonish
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