solidus

/ˈsɑlɪdəs/

//ˈsɑlɪdəs// noun

By · According to Wiktionary data (CC BY-SA) ·

"solidus" is a 7-letter English headword indexed on PlainSpell.

The verdict

“solidus” is an uncommon English word, ranked #93,168 in English word frequency and used as a noun.

#93,168
frequency rank, English
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Various medieval and early modern coins or units of account

Key facts for solidus
PropertyValue
Headwordsolidus
LanguageEnglish
Part of speechNoun
IPA/ˈsɑlɪdəs/
Letters7
Frequency rank#93,168
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “solidus” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). solidus lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for solidus is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈsɑlɪdəs/. Corpus data places it at rank #93,168 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 11 distinct senses for this headword, so context determines which meaning a reader should apply.

No misspelling variants are generated for solidus in our index, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: 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 Roma… The correct English form is solidus, spelled S-O-L-I-D-U-S.

Definition

  1. 1
    Various medieval and early modern coins or units of account
  2. 2
    Various medieval and early modern coins or units of account
  3. 3
    Various medieval and early modern coins or units of account
  4. 4
    Various medieval and early modern coins or units of account
  5. 5
    Various medieval and early modern coins or units of account
  6. 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.
  7. 7
    A medieval French weight, 1/20 of the Carolingian pound.
  8. 8
    Synonym of slash ⟨/⟩, originally (UK) in its use as the shilling mark and now its formal designation by the ISO and Unicode.
  9. 9
    The formal name of the oblique strikethrough overlay (as in A̷ and B̸) in Unicode.
  10. 10
    The division line between the numerator and the denominator of a fraction, whether horizontal or oblique.
  11. 11
    The line in a phase diagram marking the temperatures and pressures below which a given substance is a stable solid.

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.

Synonyms

nomismabezantnomismahyperpyronbezantslash and strikethrough

This word in other languages

sueldo(Español)Solidus(Deutsch)soldo(Português)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "solidus"?
"solidus" is spelled S-O-L-I-D-U-S. The IPA pronunciation is /ˈsɑlɪdəs/.
What does "solidus" mean?
As a noun, "solidus" means: Various medieval and early modern coins or units of account
How do you pronounce "solidus"?
The IPA (International Phonetic Alphabet) transcription for "solidus" is /ˈsɑlɪdəs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "solidus"?
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 o... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “solidus”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is S-O-L-I-D-U-S - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈsɑlɪdəs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list