Standard Lemma guide

solidus

noun · 13 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: sŏl'ĭdəs
  • General-American: /ˈsɑlɪdəs/
  • Received-Pronunciation: /ˈsɒlɪdəs/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Various medieval and early modern coins or units of account

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.

Definition source: English Wiktionary via Wiktextract

Usage: historical

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Various medieval and early modern coins or units of account

Its successor Byzantine coins, from the eleventh century onward of progressively debased weight and purity.

Definition source: English Wiktionary via Wiktextract

Usage: historical

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Various medieval and early modern coins or units of account

Synonym of sol or sou: a Carolingian unit of account equivalent to a solidus of silver.

Definition source: English Wiktionary via Wiktextract

Usage: historical, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sol, sou

Antonyms: none provided

4

noun

Meaning 4

Various medieval and early modern coins or units of account

Synonym of soldo: the silver coins of various Italian states.

Definition source: English Wiktionary via Wiktextract

Usage: historical, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: soldo

Antonyms: none provided

5

noun

Meaning 5

Various medieval and early modern coins or units of account

Synonym of shilling: an English unit of account and, following the Tudor dynasty, silver coin.

Definition source: English Wiktionary via Wiktextract

Usage: historical, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: shilling

Antonyms: none provided

6

noun

Meaning 6

The weight of the Roman gold coin, 1/60 of a Roman pound under Diocletian or 1/72 lb. (about 4.5 grams) after Constantine.

Definition source: English Wiktionary via Wiktextract

Usage: historical

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A medieval French weight, 1/20 of the Carolingian pound.

Definition source: English Wiktionary via Wiktextract

Usage: historical

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

Synonym of slash ⟨/⟩, originally (UK) in its use as the shilling mark and now its formal designation by the ISO and Unicode.

Definition source: English Wiktionary via Wiktextract

Topics: media, publishing, typography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: slash, originally

Antonyms: none provided

9

noun

Meaning 9

The formal name of the oblique strikethrough overlay (as in A̷ and B̸) in Unicode.

Definition source: English Wiktionary via Wiktextract

Topics: media, publishing, typography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

The division line between the numerator and the denominator of a fraction, whether horizontal or oblique.

Definition source: English Wiktionary via Wiktextract

Topics: media, publishing, typography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

The line in a phase diagram marking the temperatures and pressures below which a given substance is a stable solid.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

a punctuation mark (/) used to separate related items of information

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: slash, virgule, diagonal, stroke, separatrix

Antonyms: none provided

Broader terms: punctuation, punctuation mark

13

noun

Meaning 13

a gold coin of the Byzantine Empire; widely circulated in Europe in the Middle Ages

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: bezant, bezzant, byzant

Antonyms: none provided

Broader terms: coin

History

Etymology

From Middle English solidus, from classical Latin solidus (“solid”), see below. Doublet of sol, sold, soldo, solid, sou, and xu. In numismatic and weight senses, via medieval Latin solidus (“various coins”), from Late Latin solidus (“a gold coin of the Roman Empire”). In chemical sense, via German Solidus, coined by H.W.B. Roozeboom in his 1899 Zeitschrift für Physikalische Chemie, Stöchiometrie, und Verwandtschaftslehre (XXX, page 387). In typography, from the shilling mark originally being an abbreviation (a long s ⟨s⟩), of Medieval Latin solidus meaning shilling.

Across languages

Translations

8 source translations are retained for this English entry.

  • Catalan: sòlid — Roman gold coin
  • Esperanto: solido — Roman gold coin
  • French: soldius — Roman gold coin
  • German: Solidus — Roman gold coin
  • Polish: solid — Roman gold coin
  • Portuguese: soldo — Roman gold coin
  • Russian: со́лид (sólid) — Roman gold coin
  • Spanish: sueldo — Roman gold coin