Last Updated：2025/11/19
(uncountable) endlessness, unlimitedness, absence of a beginning, end or limits to size. / (countable, mathematics) A number that has an infinite numerical value that cannot be counted.
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infinity
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Source Word
infinity
IPA(Pronunciation)
Noun
uncountable
countable
Japanese Meaning
無限性（始まりや終わり、または大きさに制限がない状態） / 無限大（数学において、数値で表せないほど巨大な値または極限的な大きさを示す概念）
Sense（1）
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Sense（4）
(uncountable)
A
number
which
is
very
large
compared
to
some
characteristic
number.
For
example,
in
optics,
an
object
which
is
much
further
away
than
the
focal
length
of
a
lens
is
said
to
be
"at
infinity",
as
the
distance
of
the
image
from
the
lens
varies
very
little
as
the
distance
increases
further.
Sense（5）
（ plural ）
