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Dictionary Suite
aerobe an organism, such as a bacterium, that needs oxygen to live.
bacillus any rod-shaped bacterium that is active only in the presence of oxygen, or one composed of a chain of rod-shaped elements. [2 definitions]
bacteria pl. of bacterium. Bacteria are one-celled microscopic organisms of various shapes that are often agents of fermentation and putrefaction and that, in some cases, cause disease.
botulinum a spore-forming bacterium (Clostridium botulinum) that produces botulin toxin under anaerobic conditions.
botulism an often lethal disease of the nervous system caused by ingesting even small amounts of the toxin botulin, produced by a bacterium that grows in poorly preserved or spoiled foods.
bug (informal) a virus or bacterium, esp. one that causes disease, or a disease caused by such a virus or bacterium. [1/8 definitions]
chloramphenicol an antibiotic drug that is synthesized or derived from a soil bacterium and used in treating various bacterial and some viral afflictions.
chlortetracycline a yellow antibiotic powder, obtained from a soil bacterium and used to treat certain infections.
coccus a sphere-shaped bacterium.
comma bacillus the comma-shaped bacterium that causes Asiatic cholera.
erythromycin an antibiotic derived from a soil bacterium, used in the treatment of various diseases caused by bacteria.
gall3 an abnormal swelling or growth on a plant, caused by an insect, injury, bacterium, or the like.
germ a microscopic organism, esp. a bacterium or virus that causes illness; pathogen. [1/3 definitions]
gonococcus the bacterium that causes gonorrhea.
hemophile a bacterium that develops in blood or in the presence of blood. [1/2 definitions]
infected having or carrying a disease caused by a virus, bacterium, or other pathogen. [1/3 definitions]
meningococcal of or relating to the meningococcus bacterium, which is the causative agent of meningitis.
meningococcus the bacterium Neisseria meningitidis, which is the causative agent of meningitis.
microorganism any microscopic life form such as a bacterium, protozoan, or virus.
organism any single living being, such as an animal, plant, fungus, or bacterium. [1/2 definitions]
osteomyelitis inflammation of the bone or bone marrow, usu. caused by a pus-producing bacterium.