|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a gadget; dingus; thingumbob.|
hypochlorous acid hy·po·chlo·rous acid (hī'pə-klôr'əs)
A weak but strongly oxidizing acid produced by the reaction of chlorine and water and used as a bleaching agent, disinfectant, and chlorinating agent.
|hypochlorous acid (hī'pə-klôr'əs) Pronunciation Key
A weak, unstable acid occurring only in solution and used as a bleach, oxidizer, deodorant, and disinfectant. Chemical formula: HOCl.