obumbration

== English == === Etymology === Latin obumbratio. === Noun === obumbration (countable and uncountable, plural obumbrations) (archaic) The act of darkening or obscuring; obnubilation; obscuration. ==== Related terms ==== obumbrate === References === “obumbration”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.