Definition of Tundra
Tun´dra
Pronunciation:
tŌn´drå
n.
1.
One
of
the
level
or
undulating
treeless
plains
characteristic
of
northern
arctic
regions
in
both
hemispheres
;
the
term
is
most
commony
associated
with
the
arctic
plains
of
Siberia
.
The
tundras
mark
the
limit
of
arborescent
vegetation
;
they
consist
of
black
mucky
soil
with
a
permanently
frozen
subsoil
,
but
support
a
dense
growth
of
mosses
and
lichens
,
and
dwarf
herbs
and
shrubs
,
often
showy-flowered
.
Related Words
champaign
,
field
,
plain
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