obscuration JUST WRITTEN FOR YOU
/ˌɒb.skjʊˈreɪ.ʃən/ · ob·scu·ra·tion
noun
- The state or condition of being obscured, hidden, or made less visible. The mountain’s obscuration by fog made it impossible to navigate the trail.
- A unit of measurement used in smoke detectors that quantifies light absorption by smoke, expressed as percent absorption per unit length (e.g., % obs/ft or % obs/m). The alarm triggered when the obscuration reached 0.8 % obs/m, indicating a dense smoke layer.
Synonyms
Antonyms
Did you know? In astronomy, 'obscuration' describes the event when one celestial body passes in front of another, temporarily blocking its light—a phenomenon that helped early astronomers confirm the existence of planets beyond Earth.