opus incertum

noun

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).

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounopus incertum (uncountable)
  1. historicaluncountablearchitectureAn 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”).

Full word history & related roots →
Cite this entry
APA

opus incertum. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/opus%20incertum

MLA

“opus incertum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/opus%20incertum. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “opus incertum,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/opus%20incertum.

Source: opus incertum on Wiktionary, CC BY-SA 4.0.