Word.ws English Dictionary

Plural of solidus

irregular plural

The plural of solidus is solidi or soliduses.

Forms of solidus

Singularsolidus /ˈsɑlɪdəs/
Pluralsolidi /ˈsɒlɪdaɪ/
soliduses
Countablecountable

Meaning of solidus

  1. noun A Roman ~23k gold coin introduced by Diocletian in AD 301 and called by that name, but reissued at a slightly lower weight by Constantine I.
  2. noun Its successor Byzantine coins, from the eleventh century onward of progressively debased weight and purity.
  3. noun Synonym of sol or sou: a Carolingian unit of account equivalent to a solidus of silver.

Full definition of solidus

Nouns ending in -us: plural -i

Questions about the plural of solidus

What is the plural of solidus?
The plural of solidus is solidi or soliduses.
Which is correct, solidi or soliduses?
Both are used. solidi is the more common of the two in English writing.
Is solidus countable?
Solidus is a countable noun.

Source and license

Adapted from Wiktionary: solidus (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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