Plural of signum
irregular plural
The plural of signum is signa or signums.
Forms of signum
| Singular | signum /ˈsɪɡnəm/ |
|---|---|
| Plural | signa /ˈsɪɡnə/ signums |
| Countable | countable |
Meaning of signum
- noun A sign, mark, or symbol.
- noun A medieval tower bell used particularly for ringing the eight canonical hours.
- noun 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.
Nouns ending in -um: plural -a
- minimum (minima)
- medium (media)
- maximum (maxima)
- spectrum (spectra)
- curriculum (curricula)
- referendum (referenda)
- millennium (millennia)
- consortium (consortia)
- podium (podia)
- aquarium (aquaria)
- optimum (optima)
- gymnasium (gymnasia)
Questions about the plural of signum
- What is the plural of signum?
- The plural of signum is signa or signums.
- Which is correct, signa or signums?
- Both are used. signa is the more common of the two in English writing.
- Is signum countable?
- Signum is a countable noun.
Source and license
Adapted from Wiktionary: signum (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Plural of signum.” Word.ws, https://word.ws/plural/signum. Based on Wiktionary, CC BY-SA 4.0.