radical
English Dictionary
->
Letter R
-> radical
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radical Definition
(a)
of
or
relating
to
or
constituting
a
linguistic
root
; "
a
radical
verb
form
"
(a)
especially
of
leaves
;
located
at
the
base
of
a
plant
or
stem
;
especially
arising
directly
from
the
root
or
rootstock
or
a
root
-
like
stem
; "
basal
placentation
"; "
radical
leaves
"
(n) (
chemistry
)
two
or
more
atoms
bound
together
as
a
single
unit
and
forming
part
of
a
molecule
(n)
an
atom
or
group
of
atoms
with
at
least
one
unpaired
electron
;
in
the
body
it
is
usually
an
oxygen
molecule
than
has
lost
an
electron
and
will
stabilize
itself
by
stealing
an
electron
from
a
nearby
molecule
; "
in
the
body
free
radicals
are
high
-
energy
part
(n)
a
person
who
has
radical
ideas
or
opinions
(n)
a
character
conveying
the
lexical
meaning
of
a
logogram
(n)
a
sign
placed
in
front
of
an
expression
to
denote
that
a
root
is
to
be
extracted
(n) (
linguistics
)
the
form
of
a
word
after
all
affixes
are
removed
; "
thematic
vowels
are
part
of
the
stem
"
(s) (
used
of
opinions
and
actions
)
far
beyond
the
norm
; "
extremist
political
views
"; "
radical
opinions
on
education
"; "
an
ultra
conservative
"
(s)
markedly
new
or
introducing
radical
change
; "
a
revolutionary
discovery
"; "
radical
political
views
"
(s)
arising
from
or
going
to
the
root
; "
a
radical
flaw
in
the
plan
"
radical Synonyms
basal
base
chemical group
extremist
free radical
group
radical
radical sign
revolutionary
root
root word
stem
theme
ultra
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