元となった辞書の項目
order of magnitude
名詞
The
class
of
scale
or
magnitude
of
any
amount,
where
each
class
contains
values
of
a
fixed
ratio
(most
often
10)
to
the
class
preceding
it.
For
example,
something
that
is
2
orders
of
magnitude
larger
is
100
times
larger,
something
that
is
3
orders
of
magnitude
larger
is
1000
times
larger,
and
something
that
is
6
orders
of
magnitude
larger
is
a
million
times
larger,
because
10²
=
100,
10³
=
1000,
and
10⁶
=
a
million.
日本語の意味
ある量の大きさを対数的な階層（クラス）で捉える概念。各階層は前の階層の値の一定比率（通常は10倍）で区切られており、例えば2桁上は100倍、3桁上は1000倍といった関係を示す。 / 数量の規模やスケールを示す指標で、数値がある階層（オーダー）を上るごとに前の階層の固定倍数に相当する大きさとなることを意味する。
意味（1）
The
class
of
scale
or
magnitude
of
any
amount,
where
each
class
contains
values
of
a
fixed
ratio
(most
often
10)
to
the
class
preceding
it.
For
example,
something
that
is
2
orders
of
magnitude
larger
is
100
times
larger,
something
that
is
3
orders
of
magnitude
larger
is
1000
times
larger,
and
something
that
is
6
orders
of
magnitude
larger
is
a
million
times
larger,
because
10²
=
100,
10³
=
1000,
and
10⁶
=
a
million.
（ plural ）
