Obscuration, n.
Etymology: [L. obscurativ: cf.F. obscuration. See Obscure, v. t. ]
The act or operation of obscuring; the state of being obscured; as, the obscuration of the moon in an eclipse. Sir J. Herschel.
Shades of meaning
Fernald lists obscuration only as an antonym, under revelation.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given