a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.
(of business) not active or brisk; "business is dull (or slow)"; "a sluggish market"
emitting or reflecting very little light; "a dull glow"; "dull silver badly in need of a polish"; "a dull sky"
(of color) very low in saturation; highly diluted; "dull greens and blues"
darkened with overcast; "a dark day"; "a dull sky"; "a grey rainy afternoon"; "grey clouds"; "the sky was leaden and thick"
not having a sharp edge or point; "the knife was too dull to be of any use"
not keenly felt; "a dull throbbing"; "dull pain"
lacking in liveliness or animation; "he was so dull at parties"; "a dull political campaign"; "a large dull impassive man"; "dull days with nothing to do"; "how dull and dreary the world is"; "fell back into one of her dull moods"
being or made softer or less loud or clear; "the dull boom of distant breaking waves"; "muffled drums"; "the muffled noises of the street"; "muted trumpets"
not clear and resonant; sounding as if striking with or against something relatively soft; "the dull thud"; "thudding bullets"
blunted in responsiveness or sensibility; "a dull gaze"; "so exhausted she was dull to what went on about her"- Willa Cather
make less lively or vigorous; "Middle age dulled her appetite for travel"
become dull or lusterless in appearance; lose shine or brightness; "the varnished table top dulled with time"
make dull in appearance; "Age had dulled the surface"
make dull or blunt; "Too much cutting dulls the knife's edge"
a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
a toxic condition caused by ingesting or inhaling mercury; acute mercury poisoning causes a metallic taste and vomiting and diarrhea and kidney problems that may lead to death
syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours; "he was suffering from radiation"