opus incertum
An Ancient Roman construction technique, using irregular-shaped and randomly placed…An Ancient Roman construction technique, using irregular-shaped and randomly placed uncut stones or fist-sized tuff blocks inserted in a core of opus caementicium (Roman concrete).
Meaning
1 senses(historical, uncountable)An Ancient Roman construction technique, using irregular-shaped and randomly placed uncut stones or fist-sized tuff blocks inserted in a core of opus caementicium (Roman concrete).
Origin
From Latin opus (“work”) + incertus (“uncertain, irregular”).From Latin opus (“work”) + incertus (“uncertain, irregular”).
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.