micrococcusn.

Brit.

/ˌmʌɪkrə(ʊ)ˈkɒkəs/, U.S.

/ˌmaɪkroʊˈkɑkəs/

Inflections: Plural micrococci Brit.

/ˌmʌɪkrə(ʊ)ˈkɒk(s)ʌɪ/, U.S.

/ˌmaɪkroʊˈkɑˌkaɪ/.

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: micro- comb. form, coccus n.

Etymology: < micro- comb. form + coccus n., after German Mikrococcus (E. Hallier Das Cholera-Contagium (1867), the source translated in quots. 1870¹, 1870¹), itself perhaps after scientific Latin micrococcus (used in botanical nomenclature from the mid 19th cent.). Adopted as a genus name by F. Cohn 1872, in Beiträge zur Biol. der Pflanzen 1 151.

Microbiology.

†(a) A small germ or seed postulated as an elementary precursor to a living organism; spec. that of the causative agent of cholera. Obsolete. (b) Any member of the genus Micrococcus, originally comprising all spherical bacteria, now comprising some nine species of Gram-positive spherical bacteria that form part of the normal bacterial flora of the skin of warm-blooded animals, and occasionally act as opportunistic pathogens; (in form Micrococcus) the genus itself.

ΘΚΠ

the world > life > biology > organism > micro-organism > bacterium > [noun] > types of

vibrio1850

micrococcus1870

microzyme1870

Spirillum1875

mycothrix1876

leptothrix1877

Spirochaete1877

streptococcus1877

Actinomyces1879

frogspawn1880

schizophyte1880

schizomycetes1881

gonococcus1882

saprophile1882

vibrion1882

coccus1883

diplococcus1883

streptobacteria1883

Clostridium1884

actinomycetes1885

pneumococcus1885

macrococcus1887

staphylococcus1887

iron bacterium1888

Proteus1888

ferrobacterium1890

meningococcus1890

rhizobium1890

sulphobacteria1890

nitrobacterium1891

Streptothrix1891

sulphur bacterium1891

myxobacter1892

Myxococcus1892

tetracoccus1893

coli1894

Pasteurella1895

pyrotoxin1895

Gaertner1897

purple bacterium1897

myxobacterium1898

pseudomonas1899

thiobacteria1900

treponema1908

corynebacterium1909

mycobacterium1909

Salmonella1913

Neisseria1915

botulinum1916

rickettsia1916

leptospira1918

acetobacter1920

Brucella1920

pseudomonad1921

strep1927

enterobacterium1929

opportunist1937

eubacterium1939

agrobacterium1942

persister1944

Moraxella1948

enteric1956

streptomycete1956

leptospire1957

transformant1957

lysogen1958

listeria1961

C. difficile1962

yersinia1967

Campylobacter1971

cyanobacterium1973

coryneform1976

eubacterium1977

legionella1979

acetogen1982

C. diff.1990

acidophilous1996

1870 Nature 22 Sept. 427/1 These views, so far as they are identical with Professor Halliers' [sic] as to the importance of those most minute of living organisms, the micrococcus of his nomenclature, the microzymes of Mr. Simon's Blue Book, were passed in review.

1870 T. R. Lewis Physiol. & Pathol. Res. (1888) 29 The term ‘micrococcus’..is now pretty generally adopted on the continent by the class of writers who advocate the pre-existence of a germ, in some shape or other, to every living thing... The micrococcus, or germ of cholera, is, in the opinion of Hallier, the disintegrated spores of a special fungus.

1873 Q. Jrnl. Microsc. Sci. 13 158 In Sphærobacteria we have one genus, Micrococcus, with species grouped as Zymogenous, Chromogenous, and Pathogenous.

1875 C. Darwin Insectivorous Plants vii. 173 The smallest micrococci which are distinctly discernable under a power of 800 diameters are estimated to be from ·0002 to ·0005 of a millimetre..in diameter.

1907 Brain 30 83 A micrococcus was isolated in pure culture from the blood of the patient after death.

1949 H. W. Florey et al. Antibiotics I. i. 7 The bacillus anthracis was present in fair number, but the micrococcus was still more abundant.

1971 Nature 8 Jan. 120/1 The resident flora of the external auditory canal is composed of non-pathogenic micrococci and corynebacteria.

1986 Bergey's Man. Systematic Bacteriol. II. 1005/1 Mammalian skin is now considered to be a primary natural habitat of micrococci.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	micrococcus
释义	micrococcusn. Brit. /ˌmʌɪkrə(ʊ)ˈkɒkəs/, U.S. /ˌmaɪkroʊˈkɑkəs/ Inflections: Plural micrococci Brit. /ˌmʌɪkrə(ʊ)ˈkɒk(s)ʌɪ/, U.S. /ˌmaɪkroʊˈkɑˌkaɪ/. Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: micro- comb. form, coccus n. Etymology: < micro- comb. form + coccus n., after German Mikrococcus (E. Hallier Das Cholera-Contagium (1867), the source translated in quots. 1870¹, 1870¹), itself perhaps after scientific Latin micrococcus (used in botanical nomenclature from the mid 19th cent.). Adopted as a genus name by F. Cohn 1872, in Beiträge zur Biol. der Pflanzen 1 151. Microbiology. †(a) A small germ or seed postulated as an elementary precursor to a living organism; spec. that of the causative agent of cholera. Obsolete. (b) Any member of the genus Micrococcus, originally comprising all spherical bacteria, now comprising some nine species of Gram-positive spherical bacteria that form part of the normal bacterial flora of the skin of warm-blooded animals, and occasionally act as opportunistic pathogens; (in form Micrococcus) the genus itself. ΘΚΠ the world > life > biology > organism > micro-organism > bacterium > [noun] > types of vibrio1850 micrococcus1870 microzyme1870 Spirillum1875 mycothrix1876 leptothrix1877 Spirochaete1877 streptococcus1877 Actinomyces1879 frogspawn1880 schizophyte1880 schizomycetes1881 gonococcus1882 saprophile1882 vibrion1882 coccus1883 diplococcus1883 streptobacteria1883 Clostridium1884 actinomycetes1885 pneumococcus1885 macrococcus1887 staphylococcus1887 iron bacterium1888 Proteus1888 ferrobacterium1890 meningococcus1890 rhizobium1890 sulphobacteria1890 nitrobacterium1891 Streptothrix1891 sulphur bacterium1891 myxobacter1892 Myxococcus1892 tetracoccus1893 coli1894 Pasteurella1895 pyrotoxin1895 Gaertner1897 purple bacterium1897 myxobacterium1898 pseudomonas1899 thiobacteria1900 treponema1908 corynebacterium1909 mycobacterium1909 Salmonella1913 Neisseria1915 botulinum1916 rickettsia1916 leptospira1918 acetobacter1920 Brucella1920 pseudomonad1921 strep1927 enterobacterium1929 opportunist1937 eubacterium1939 agrobacterium1942 persister1944 Moraxella1948 enteric1956 streptomycete1956 leptospire1957 transformant1957 lysogen1958 listeria1961 C. difficile1962 yersinia1967 Campylobacter1971 cyanobacterium1973 coryneform1976 eubacterium1977 legionella1979 acetogen1982 C. diff.1990 acidophilous1996 1870 Nature 22 Sept. 427/1 These views, so far as they are identical with Professor Halliers' [sic] as to the importance of those most minute of living organisms, the micrococcus of his nomenclature, the microzymes of Mr. Simon's Blue Book, were passed in review. 1870 T. R. Lewis Physiol. & Pathol. Res. (1888) 29 The term ‘micrococcus’..is now pretty generally adopted on the continent by the class of writers who advocate the pre-existence of a germ, in some shape or other, to every living thing... The micrococcus, or germ of cholera, is, in the opinion of Hallier, the disintegrated spores of a special fungus. 1873 Q. Jrnl. Microsc. Sci. 13 158 In Sphærobacteria we have one genus, Micrococcus, with species grouped as Zymogenous, Chromogenous, and Pathogenous. 1875 C. Darwin Insectivorous Plants vii. 173 The smallest micrococci which are distinctly discernable under a power of 800 diameters are estimated to be from ·0002 to ·0005 of a millimetre..in diameter. 1907 Brain 30 83 A micrococcus was isolated in pure culture from the blood of the patient after death. 1949 H. W. Florey et al. Antibiotics I. i. 7 The bacillus anthracis was present in fair number, but the micrococcus was still more abundant. 1971 Nature 8 Jan. 120/1 The resident flora of the external auditory canal is composed of non-pathogenic micrococci and corynebacteria. 1986 Bergey's Man. Systematic Bacteriol. II. 1005/1 Mammalian skin is now considered to be a primary natural habitat of micrococci. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1870
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