diplococcusn.

/dɪpləʊˈkɒkəs/

Inflections: Plural diplococci Brit.

/ˌdɪplə(ʊ)ˈkɒk(s)ʌɪ/, U.S.

/ˌdɪploʊˈkɑˌkaɪ/.

Etymology: modern Latin, < Greek διπλόος double + κόκκος grain, seed, adopted as a genus name by A. Weichselbaum 1886, in Wiener Med. Jahrb. LXXXII. 483.

Bacteriology.

Any coccus that occurs predominantly in pairs, esp. one belonging to the genus of parasitic bacteria so called, which includes the pneumococcus, D. pneumoniæ.

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

1883 D. MacAlister tr. E. Ziegler Text-bk. Pathol. Anat. i. §185 Masses of cocci enclosed in a cylindrical sheath are called ascococci; coupled spherules are diplococci; chains or chaplets of spherules, streptococci; and in like manner he [Billroth] describes diplobacteria and streptobacteria.

1911 M. Herzog Text-bk. Disease-producing Microörg. xxxii. 378 The diplococci show particularly often in the shape of candle-lights, hence the name Diplococcus lanceolatus, which means lancet-shaped.

1927 R. A. Kelser Man. Vet. Bacteriol. xi. 133 In the affected lung tissue Streptococcus equi commonly appears singly and in pairs. This characteristic led some investigators to consider the organism a diplococcus.

1949 F. C. Kelly & K. E. Hite Microbiology vi. 68 Whereas the term diplococcus means any paired coccus, the same word begun with a capital letter refers only to the gram-positive paired cocci of the genus Diplococcus.

1969 S. T. Lyles Biol. Microorganisms xx. 438 Another gram-negative diplococcus type is associated with the nervous system and produces meningitis.

Derivatives

diploˈcoccal adj. of, pertaining to, or caused by a diplococcus.

ΚΠ

1903 Med. Record 2 May 705/1 Two cases of diplococcal septicaemia.

1908 Lancet 15 Feb. 484/1 A diplococcal infection of the throat.

1950 K. A. Bisset Cytol. & Life-hist. Bact. ix. 117 The two-celled structure [of Neisseria gonorrhœæ] is concealed by the gram-complex in the gram-positive species, and has been misinterpreted as ‘diplococcal’ in the gram-negative.

diplococcic adj. of, relating to, or produced by diplococci.

ΚΠ

a1909 Buck's Handbk. Med. Sci. IV. 398 Diplococcic.

diploˈcoccoid adj. resembling a diplococcus or diplococci.

ΚΠ

1910 Practitioner Apr. 489 The characteristic diplococcoid arrangement of the germs.

This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2022).

单词	diplococcus
释义	diplococcusn. /dɪpləʊˈkɒkəs/ Inflections: Plural diplococci Brit. /ˌdɪplə(ʊ)ˈkɒk(s)ʌɪ/, U.S. /ˌdɪploʊˈkɑˌkaɪ/. Etymology: modern Latin, < Greek διπλόος double + κόκκος grain, seed, adopted as a genus name by A. Weichselbaum 1886, in Wiener Med. Jahrb. LXXXII. 483. Bacteriology. Any coccus that occurs predominantly in pairs, esp. one belonging to the genus of parasitic bacteria so called, which includes the pneumococcus, D. pneumoniæ. 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 1883 D. MacAlister tr. E. Ziegler Text-bk. Pathol. Anat. i. §185 Masses of cocci enclosed in a cylindrical sheath are called ascococci; coupled spherules are diplococci; chains or chaplets of spherules, streptococci; and in like manner he [Billroth] describes diplobacteria and streptobacteria. 1911 M. Herzog Text-bk. Disease-producing Microörg. xxxii. 378 The diplococci show particularly often in the shape of candle-lights, hence the name Diplococcus lanceolatus, which means lancet-shaped. 1927 R. A. Kelser Man. Vet. Bacteriol. xi. 133 In the affected lung tissue Streptococcus equi commonly appears singly and in pairs. This characteristic led some investigators to consider the organism a diplococcus. 1949 F. C. Kelly & K. E. Hite Microbiology vi. 68 Whereas the term diplococcus means any paired coccus, the same word begun with a capital letter refers only to the gram-positive paired cocci of the genus Diplococcus. 1969 S. T. Lyles Biol. Microorganisms xx. 438 Another gram-negative diplococcus type is associated with the nervous system and produces meningitis. Derivatives diploˈcoccal adj. of, pertaining to, or caused by a diplococcus. ΚΠ 1903 Med. Record 2 May 705/1 Two cases of diplococcal septicaemia. 1908 Lancet 15 Feb. 484/1 A diplococcal infection of the throat. 1950 K. A. Bisset Cytol. & Life-hist. Bact. ix. 117 The two-celled structure [of Neisseria gonorrhœæ] is concealed by the gram-complex in the gram-positive species, and has been misinterpreted as ‘diplococcal’ in the gram-negative. diplococcic adj. of, relating to, or produced by diplococci. ΚΠ a1909 Buck's Handbk. Med. Sci. IV. 398 Diplococcic. diploˈcoccoid adj. resembling a diplococcus or diplococci. ΚΠ 1910 Practitioner Apr. 489 The characteristic diplococcoid arrangement of the germs. This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2022). < n.1883
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