obliteration

The total destruction of something.countableuncountable

• This illustration depicts exoplanet Kepler-1658b (left), doomed to eventual obliteration by its aging host star.
• Stark before-and-after images reveal the obliteration of Bakhmut [title]

The concealing or covering of something.countableuncountable

• Winter, in coming to the country hereabout, advanced in well-marked stages, wherein might have been successively observed the retreat of the snakes, the transformation of the ferns, the filling of the pools, a rising of fogs, the embrowning

The cancellation, erasure or deletion of something.countableuncountable

• Because he refused to protect his brother's name from obliteration, he acquires a derogatory nickname.

The cancellation of the function, structure, or both of a vessel or organ; for example, the occlusion of the lumen of a duct, blood vessel, or lymphatic vessel, be it solely functional (as when squeezed by nearby mass effect or inflammation) or both structural and functional (as when clogged with thcountableuncountable