Last Updated
：2025/11/29
Polybius square
Noun
historical
(telecommunications,
historical)
A
character
code
represented
by
two
sets
of
six
lit
torches,
used
to
send
messages
character
by
character,
in
a
two
point
visual
fire
telegraph.
The
character
code
is
generated
by
encoding
characters
in
a
grid,
where
each
character
generates
two
numbers,
uniquely
representing
each
character
as
a
pair
of
numbers.
Japanese Meaning
ポリビウス正方形：歴史的な通信方式に用いられた暗号盤の一形式で、格子状に配置された文字が各々2つの数字の組み合わせ（例えば、2組の6本の灯火などによる視覚的表示）で表現され、一文字ずつ送信される仕組みを指す。
Sense（1）
(telecommunications,
historical)
A
character
code
represented
by
two
sets
of
six
lit
torches,
used
to
send
messages
character
by
character,
in
a
two
point
visual
fire
telegraph.
The
character
code
is
generated
by
encoding
characters
in
a
grid,
where
each
character
generates
two
numbers,
uniquely
representing
each
character
as
a
pair
of
numbers.
Sense（2）
（ plural ）
Quizzes for review
(telecommunications, historical) A character code represented by two sets of six lit torches, used to send messages character by character, in a two point visual fire telegraph. The character code is generated by encoding characters in a grid, where each character generates two numbers, uniquely representing each character as a pair of numbers.
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See correct answer
Polybius square
During the drill, the signalmen arranged two sets of six lit torches to transmit each letter according to the Polybius square they had memorized.
See correct answer
During the drill, the signalmen arranged two sets of six lit torches to transmit each letter according to the Polybius square they had memorized.
音声機能が動作しない場合はこちらをご確認ください
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