solidus
UK /ˈsɒlɪdəs/ · US /ˈsɑlɪdəs/ noun
Forms solidi soliduses
- 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.
- noun Its successor Byzantine coins, from the eleventh century onward of progressively debased weight and purity.
- noun (obsolete) Synonym of sol or sou: a Carolingian unit of account equivalent to a solidus of silver.
- noun (obsolete) Synonym of soldo: the silver coins of various Italian states.
- noun (obsolete) Synonym of shilling: an English unit of account and, following the Tudor dynasty, silver coin.
- noun (historical) 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.
- noun (historical) A medieval French weight, 1/20 of the Carolingian pound.
- noun (typography) Synonym of slash ⟨/⟩, originally (UK) in its use as the shilling mark and now its formal designation by the ISO and Unicode.
Synonyms
nomisma hyperpyron bezant sol sou soldo shilling slash originally slash and strikethrough bezzant byzant virgule diagonal stroke separatrix
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.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “solidus”, CC BY-SA 4.0. Details