出典:Wiktionary
出典:『Wiktionary』 (2026/03/05 18:28 UTC 版)
slashed zero (plural slashed zeros or slashed zeroes)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/23 14:45 UTC 版)
The slashed zero is a representation of the number '0' (zero), with a slash through it. Unlike the Scandinavian vowel 'Ø' and the "empty set" symbol '∅', the slash often touches the walls of the surrounding O shape but does not extend past them on the outside.
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無効の.
the negative pole
the negative pole―the cathode