出典:Wiktionary
出典:『Wiktionary』 (2024/11/09 23:17 UTC 版)
Back-formation from monadic, etc., from Ancient Greek -άς (-ás) (genitive -άδος (-ádos)) + -ικός (-ikós) (English -ad + -ic). Compare related adicity and Latinate -ary.
The algebraic sense is by analogy with p-adic, since equipped with the -adic topology passes to the ring of p-adic numbers under the operation of completion.
-adic
Combined with prefixes derived (usually) from Greek names for numbers to make adjectives meaning "having a certain number of arguments" (said of functions, relations, etc, in mathematics and functions, operators, etc, in computing).
Since there is a unique -adic topology for any given , one often speaks of the -adic topology on .