paratrophicadj.

Brit.

/ˌparəˈtrɒfɪk/,

/ˌparəˈtrəʊfɪk/, U.S.

/ˌpɛrəˈtrɑfɪk/

Origin: Formed within English, by derivation. Etymons: para- prefix¹, -trophic comb. form.

Etymology: < para- prefix¹ + -trophic comb. form. In sense 1, after paratrophy n. In sense 2, after German paratroph (A. Fischer Vorlesungen über Bakterien (1897) v. 47; compare quot. 1900 at sense 2). Compare paratrophy n.R. G. Mayne (see quot. 1857 at sense 1) gives a Latin form paratrophicus.

Medicine and Biology. Now rare.

†1. Of or relating to abnormal nutrition. Obsolete. rare.

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of internal organs > disordered nutrition > [adjective]

paratrophic1857

1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Paratrophicus,..paratrophic.

2. Dependent upon living organic material for nutrition; obligately parasitic. Now rare.

ΘΚΠ

the world > life > biology > balance of nature > organisms in relation to habitat > [adjective]

fieldya1382

waterya1382

agrestial1608

subterranean1638

lucifugous1654

nemoral1656

subcutaneous1664

subterraneous1832

subtidal1852

xylophilous1862

xerophilous1863

acid-loving1870

aerobic1878

aerobian1879

aerobious1879

aerobiotic1880

subaquatic1880

aerophilous1885

facultative1887

pelagic1887

aerophile1888

autotrophic1893

heterotrophic1893

plastic1893

thermophilic1894

thermophil1896

mesophilic1897

halolimnic1898

polybathic1898

tolerant1898

limnetic1899

thermophilous1899

metatrophic1900

mixotrophic1900

paratrophic1900

mesophilous1901

benthic1902

epibenthic1902

eurybathic1902

microaerophilic1903

sympatric1904

benthoal1905

cryophile1907

benthonic1909

microaerophile1909

lenitic1916

lotic1916

psychrotolerant1924

oligosaprobic1925

polysaprobic1925

aerophilic1929

saprobic1932

primary1934

lentic1935

chemoautotrophic1936

eurytopic1937

psammic1938

saprotrophic1942

prototrophic1946

chemolithoautotrophic1949

auxotrophic1950

chemolithotrophic1953

chemoorganotrophic1953

opportunist1956

psychrophile1956

psychrophilic1958

opportunistic1960

psychrotrophic1960

oligosaprobe1990

1900 A. C. Jones tr. A. Fischer Struct. & Functions Bacteria v. 49 The paratrophic group includes all those bacteria that can exist only within the living tissues of other organisms.

1902 Encycl. Brit. XXV. 439/1 Some Angiosperms are persistently heterotrophic, either as saprophytes (metatrophic) or as parasites (paratrophic), and this manner of life involves some kind of symbiosis.

1919 F. O. Bower Bot. Living Plant xxx. 460 On the basis of nutrition Bacteria have been classified into three groups:..(iii) Paratrophic, those which develop normally only within the living tissues of other organisms, and are true, and obligatory parasites, such as the germs of Tubercle or Diphtheria.

1930 S. Thomas Bacteriol. (ed. 2) xiv. 228 The paratrophic organisms..must have living organic matter from which to get all or part of their food requirements.

1981 Jrnl. Hygiene Epidemiol. Microbiol. Immunol. 25 467 Their dimorphous character, manifesting itself by alternating saprotrophic and paratrophic phases, depends on changes in the environmental temperature.

This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).

单词	paratrophic
释义	paratrophicadj. Brit. /ˌparəˈtrɒfɪk/, /ˌparəˈtrəʊfɪk/, U.S. /ˌpɛrəˈtrɑfɪk/ Origin: Formed within English, by derivation. Etymons: para- prefix¹, -trophic comb. form. Etymology: < para- prefix¹ + -trophic comb. form. In sense 1, after paratrophy n. In sense 2, after German paratroph (A. Fischer Vorlesungen über Bakterien (1897) v. 47; compare quot. 1900 at sense 2). Compare paratrophy n.R. G. Mayne (see quot. 1857 at sense 1) gives a Latin form paratrophicus. Medicine and Biology. Now rare. †1. Of or relating to abnormal nutrition. Obsolete. rare. ΘΚΠ the world > health and disease > ill health > a disease > disorders of internal organs > disordered nutrition > [adjective] paratrophic1857 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Paratrophicus,..paratrophic. 2. Dependent upon living organic material for nutrition; obligately parasitic. Now rare. ΘΚΠ the world > life > biology > balance of nature > organisms in relation to habitat > [adjective] fieldya1382 waterya1382 agrestial1608 subterranean1638 lucifugous1654 nemoral1656 subcutaneous1664 subterraneous1832 subtidal1852 xylophilous1862 xerophilous1863 acid-loving1870 aerobic1878 aerobian1879 aerobious1879 aerobiotic1880 subaquatic1880 aerophilous1885 facultative1887 pelagic1887 aerophile1888 autotrophic1893 heterotrophic1893 plastic1893 thermophilic1894 thermophil1896 mesophilic1897 halolimnic1898 polybathic1898 tolerant1898 limnetic1899 thermophilous1899 metatrophic1900 mixotrophic1900 paratrophic1900 mesophilous1901 benthic1902 epibenthic1902 eurybathic1902 microaerophilic1903 sympatric1904 benthoal1905 cryophile1907 benthonic1909 microaerophile1909 lenitic1916 lotic1916 psychrotolerant1924 oligosaprobic1925 polysaprobic1925 aerophilic1929 saprobic1932 primary1934 lentic1935 chemoautotrophic1936 eurytopic1937 psammic1938 saprotrophic1942 prototrophic1946 chemolithoautotrophic1949 auxotrophic1950 chemolithotrophic1953 chemoorganotrophic1953 opportunist1956 psychrophile1956 psychrophilic1958 opportunistic1960 psychrotrophic1960 oligosaprobe1990 1900 A. C. Jones tr. A. Fischer Struct. & Functions Bacteria v. 49 The paratrophic group includes all those bacteria that can exist only within the living tissues of other organisms. 1902 Encycl. Brit. XXV. 439/1 Some Angiosperms are persistently heterotrophic, either as saprophytes (metatrophic) or as parasites (paratrophic), and this manner of life involves some kind of symbiosis. 1919 F. O. Bower Bot. Living Plant xxx. 460 On the basis of nutrition Bacteria have been classified into three groups:..(iii) Paratrophic, those which develop normally only within the living tissues of other organisms, and are true, and obligatory parasites, such as the germs of Tubercle or Diphtheria. 1930 S. Thomas Bacteriol. (ed. 2) xiv. 228 The paratrophic organisms..must have living organic matter from which to get all or part of their food requirements. 1981 Jrnl. Hygiene Epidemiol. Microbiol. Immunol. 25 467 Their dimorphous character, manifesting itself by alternating saprotrophic and paratrophic phases, depends on changes in the environmental temperature. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < adj.1857
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