a painful burning sensation in the chest caused by gastroesophageal reflux (backflow from the stomach irritating the esophagus); symptomatic of an ulcer or a diaphragmatic hernia or other disorder
any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.; "he sprayed the garden to get rid of pests"; "many pests have developed resistance to the common pesticides"
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"
an informal photograph; usually made with a small hand-held camera; "my snapshots haven't been developed yet"; "he tried to get unposed shots of his friends"
protection from harm; "sanitation is the best defense against disease"
military action or resources protecting a country against potential enemies; "they died in the defense of Stalingrad"; "they were developed for the defense program"
a defendant's answer or plea denying the truth of the charges against him; "he gave evidence for the defense"
the justification for some act or belief; "he offered a persuasive defense of the theory"
an organization of defenders that provides resistance against attack; "he joined the defense against invasion"
the defendant and his legal advisors collectively; "the defense called for a mistrial"
(sports) the team that is trying to prevent the other team from scoring; "his teams are always good on defense"