hard - of a material, resistant to penetration or wear. Military Science. relating to or designating a site, often underground, that is constructed to withstand the blast and associated effects of a nuclear attack, and is likely to withstand chemical, biological, or radiological attack. Also, hardened.Thus, hard(ened) site, hard(ened) missile base, hardened aircraft shelter (HAS). Chemistry. see HARD WATER. Graphic Arts. 1. of a photograph, high in contrast.of a photograph, high in contrast. 2. of a halftone dot, having a sharp, clean edge.of a halftone dot, having a sharp, clean edge. ;
дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр
http://www.harcourt.com/dictionary/def/4/6/4/6/4646300.html;
