deobstruction

== English == === Etymology === From de- +‎ obstruction. === Noun === deobstruction (uncountable) (now chiefly medicine) The act of deobstructing (clearing a passage, etc. of obstructions). 1861, James Yearsley, On Throat Deafness and the Pathological Connexions of the Throat, Nose, and Ear, London: John Churchill, 9th edition, Cases, p. 81,[2] The proper treatment of such a case was immediately apparent; namely, the deobstruction of the nasal and Eustachian passages. Synonym: unblocking