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]


The Collaborative International Dictionary of English. 2000.

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  • Bacillus anthracis — 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… …   The Collaborative International Dictionary of English

  • Bacillus anthracis — 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… …   The Collaborative International Dictionary of English

  • Bacillus anthracis — 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.] || …   The Collaborative International Dictionary of English

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