Radius vector
Definition of Radius vector
Ra´di`us vec´tor
Pronunciation:
vĕk´tǒr
n.
1.
(Math.)
A
straight
line
(
or
the
length
of
such
line
)
connecting
any
point
,
as
of
a
curve
,
with
a
fixed
point
,
or
pole
,
round
which
the
straight
line
turns
,
and
to
which
it
serves
to
refer
the
successive
points
of
a
curve
,
in
a
system
of
polar
coördinates.
See
Coördinate
,
n
.
2.
(Astron.)
An
ideal
straight
line
joining
the
center
of
an
attracting
body
with
that
of
a
body
describing
an
orbit
around
it
,
as
a
line
joining
the
sun
and
a
planet
or
comet
,
or
a
planet
and
its
satellite
.
Related Words
vector
Word:
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Radiophare
Radiophone
Radiophony
Radiopticon
Radioscopy
Radiotelegram
Radiotelegraph
Radiotelegraphic
Radiotelegraphy
Radiotelephone
Radiotherapy
radiothorium
radious
Radish
Radish fly
Radium
Radius
Radius bar
Radius of curvature
Radius of gyration
-Radius vector-
Radix
Radon
Radula
Raduliform
Raff
Raff merchant
Raffaelesque
Raffia
Raffia palm
Raffinose
Raffish
Raffle
Raffler
Rafflesia
Raft
Raft bridge
Raft duck
Raft port
Rafte
Rafter
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