signum

Fetched 2026-10-26 (cache).

Synonyms: siglum, bignum, signup, lignum

Antonyms: siglum, bignum, signup, lignum

Related words from Datamuse; suggestions, not definitions.

Noun

1. A [[sign]], [[mark]], or [[symbol]].
2. {{lb|en|history}} A [[medieval]] [[tower]] [[bell]] [[use]]d [[particular]]ly for [[ring]]ing the eight [[canonical hour]]s.<ref name=eb9>[[:s:Encyclopædia Britannica, Ninth Edition|''Encyclopædia Britannica'', 9th ed.]], "[[:s:Encyclopædia Britannica, Ninth Edition/Bell|Bell]]".</ref><ref>''Encyclopaedic Dictionary of Music'', Vol. 2, [https://books.google.co.jp/books?id=Yy6jaxVwSg8C&pg=PA452 p. 452].</ref>
3. {{lb|en|math}} A [[function]] that extracts the [[sign]] of a [[real number]] ''x'', yielding −1 if ''x'' is [[negative]], +1 if ''x'' is [[positive]], or 0 if ''x'' is [[zero]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.