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4 definitions found
 for Bacillus anthracis
From The Collaborative International Dictionary of English v.0.48 :

  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]

From The Collaborative International Dictionary of English v.0.48 :

  Anthrax \An"thrax\ ([a^]n"thr[a^]ks), n. [L., fr. Gr. 'a`nqrax
     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]

From The Collaborative International Dictionary of English v.0.48 :

  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.]

From WordNet (r) 3.0 (2006) :

  Bacillus anthracis
      n 1: a species of bacillus that causes anthrax in humans and in
           animals (cattle and swine and sheep and rabbits and mice
           and guinea pigs); can be used a bioweapon [syn: Bacillus
           anthracis, anthrax bacillus]

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