English▸ noun [mass noun] the action of hiding or concealing something:
the viewpoint is creating awkward obscuration where there needs to be clarity and transparency
the response by the media has been a disgraceful combination of deliberate obscuration of the facts and smug complacency
[count noun] it is important that prescribers make patients aware of the symptoms: visual obscurations, blurred vision, and neck pain.
▪ Astronomy the concealment of one celestial body by the passage of another between it and the observer:
they saw a thin arc of the sun instead of its complete obscuration by the moon.