American Heritage® Dictionary of the English Language, Fourth Edition
- n. A spherical, aerobic, gram-positive bacterium of the genus Micrococcus, usually occurring in irregular clusters.
Century Dictionary and Cyclopedia
- n. A genus of Schizomycetes (fission-fungi or bacteria), and the only one of the tribe Sphærobacteria. It is characterized by globular or oval slightly colored cells, either formed by transverse division into filaments of two or several chaplet-like articulations, or united in families, or segregated in gelatinous masses, all destitute of spontaneous movement but exhibiting a simple molecular tremor. Its species are divided into three physiological groups—chromogenes, producing coloring matter, as in “red milk” (M. prodigiosus, figured under microbe), or “golden yellow” (M. luteus); zymogenes, producing various fermentations, as in animal and vegetable infusions (M. crepusculum) or urine (M. ureæ); and pathogenes, producing diseases. Variola, vaccinia, septicemia, erysipelas, gonorrhea, and other forms are believed to be produced by micrococci.
- n. [lowercase) pl. micrococci (-sī).] Any member of this genus.
- n. biology Any of a group of spherical, aerobic, gram-positive bacteria, of the genus Micrococcus, that are wide-ranging and harmless
GNU Webster's 1913
- n. (Biol.) A genus of
Spherobacteria, in the form of very small globular or oval cells, forming, by transverse division, filaments, or chains of cells, or in some cases single organisms shaped like dumb-bells (Diplococcus), all without the power of motion. See Illust.of ascoccus.
- n. type genus of the family Micrococcaceae
- micro- + -coccus (Wiktionary)
“There was the bacillus anthracis; there was the micrococcus; there was the Bacterium termo, and the Bacterium lactis -- that's what turns the goat milk sour even to this day, Hare-Lip; and there were Schizomycetes without end.”
“Humans have a whole garden of specialized human-dwelling bacteria -- tank-car E. coli, balloon-shaped staphylococcus, streptococcus, corynebacteria, micrococcus, and so on.”
“The nitrifying organism has been submitted as yet to but little microscopical study; it is apparently a micrococcus.”
“To cite only those whose origin is well known, we may mention the bacterium that causes charbon, the micrococcus of chicken cholera, and that of hog measles.”
“This disease is caused by a small micrococcus, the organisms joined in pairs.”
“A physician examined after death the body of a person who died from infection with a very virulent micrococcus and in the course of the examination slightly scratched a finger.”
“Now there's not a micrococcus in the garden where they play”
“He proceeded in the main on the assumption that the forms of bacteria as met with and described by him are practically constant, at any rate within limits which are not wide: observing that a minute spherical micrococcus or a rod-like bacillus regularly produced similar micrococci and bacilli respectively, he based his classification on what may be considered the constancy of forms which he called species and genera.”
“There are also two pigment forming bacteria, _Micrococcus prodigiosus, _ which produces intensely red spots, and the yellow micrococcus of osteomyelitis.”
“Other parasites of this class are the _micrococcus_ of chicken cholera (Fig. 3), the _micrococcus_ of hog measles, and the”
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