元となった辞書の項目
tone terracing
noun
(phonetics)
A
form
of
downdrift
in
which
the
high
or
mid
tones,
but
not
the
low
tone,
shift
downward
in
pitch
after
certain
other
tones.
The
result
is
that
a
tone
may
be
realized
at
a
certain
pitch
over
a
short
stretch
of
speech,
shifts
downward
and
then
continues
at
its
new
level,
then
shifts
downward
again,
until
the
end
of
the
prosodic
contour
is
reached,
at
which
point
the
pitch
resets.
意味（1）
(phonetics)
A
form
of
downdrift
in
which
the
high
or
mid
tones,
but
not
the
low
tone,
shift
downward
in
pitch
after
certain
other
tones.
The
result
is
that
a
tone
may
be
realized
at
a
certain
pitch
over
a
short
stretch
of
speech,
shifts
downward
and
then
continues
at
its
new
level,
then
shifts
downward
again,
until
the
end
of
the
prosodic
contour
is
reached,
at
which
point
the
pitch
resets.
