radius
English Dictionary
->
Letter R
-> radius
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radius Definition
(n)
the
length
of
a
line
segment
between
the
center
and
circumference
of
a
circle
or
sphere
(n)
a
straight
line
from
the
center
to
the
perimeter
of
a
circle
(
or
from
the
center
to
the
surface
of
a
sphere
)
(n)
a
circular
region
whose
area
is
indicated
by
the
length
of
its
radius
; "
they
located
it
within
a
radius
of
2
miles
"
(n)
the
outer
and
slightly
shorter
of
the
two
bones
of
the
human
forearm
(n)
support
consisting
of
a
radial
member
of
a
wheel
joining
the
hub
to
the
rim
radius Synonyms
r
radius
spoke
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