Found 2 items, similar to Bacillus anthracis.
English → English (WordNet) Definition: Bacillus anthracis Bacillus anthracis n : a species of Bacillus that causes anthrax in humans and in animals (cattle and swine and sheep and sheep and rabbits and mice and guinea pigs); can be used a bioweapon [syn: anthrax]
English → English (gcide) Definition: Bacillus anthracis malignant \ma*lig"nant\, a. [L. malignans, -antis, p. pr. of malignare, malignari, to do or make maliciously. See Malign, and cf. Benignant.] 1. Disposed to do harm, inflict suffering, or cause distress; actuated by extreme malevolence or enmity; virulently inimical; bent on evil; malicious. [1913 Webster] A malignant and a turbaned Turk. --Shak. [1913 Webster] 2. Characterized or caused by evil intentions; pernicious. “Malignant care.” --Macaulay. [1913 Webster] Some malignant power upon my life. --Shak. [1913 Webster] Something deleterious and malignant as his touch. --Hawthorne. [1913 Webster] 3. (Med.) Tending to produce death; threatening a fatal issue; virulent; as, malignant diphtheria. [1913 Webster] Malignant pustule (Med.), a very contagious disease produced by infection of subcutaneous tissues with the bacterium Bacillus anthracis. It is transmitted to man from animals and is characterized by the formation, at the point of reception of the infection, of a vesicle or pustule which first enlarges and then breaks down into an unhealthy ulcer. It is marked by profound exhaustion and often fatal. The disease in animals is called charbon; in man it is called cutaneous anthrax, and formerly was sometimes called simply anthrax. [1913 Webster +PJC] Anthrax \An"thrax\, n. [L., fr. Gr. ? coal, carbuncle.] 1. (Med.) (a) A carbuncle. (b) A malignant pustule. [1913 Webster] 2. (Biol.) A microscopic, bacterial organism (Bacillus anthracis ), resembling transparent rods. [See Illust. under Bacillus.] [1913 Webster] 3. An infectious disease of cattle and sheep. It is ascribed to the presence of a rod-shaped gram-positive bacterium (Bacillus anthracis), the spores of which constitute the contagious matter. It may be transmitted to man by inoculation. The spleen becomes greatly enlarged and filled with bacteria. Called also splenic fever. [1913 Webster] Anthrax \An"thrax\, n. [L., fr. Gr. ? coal, carbuncle.] 1. (Med.) (a) A carbuncle. (b) A malignant pustule. [1913 Webster] 2. (Biol.) A microscopic, bacterial organism (Bacillus anthracis ), resembling transparent rods. [See Illust. under Bacillus.] [1913 Webster] 3. An infectious disease of cattle and sheep. It is ascribed to the presence of a rod-shaped gram-positive bacterium (Bacillus anthracis), the spores of which constitute the contagious matter. It may be transmitted to man by inoculation. The spleen becomes greatly enlarged and filled with bacteria. Called also splenic fever. [1913 Webster] Anthrax vaccine \An“thrax vac”cine\ (Veter.) A fluid vaccine obtained by growing a bacterium (Bacillus anthracis , formerly Bacterium anthracis) in beef broth. It is used to immunize animals, esp. cattle. [Webster 1913 Suppl.] ||