exogenousadj.

Brit.

/ɛkˈsɒdʒᵻnəs/,

/ɛkˈsɒdʒn̩əs/,

/ᵻkˈsɒdʒᵻnəs/,

/ᵻkˈsɒdʒn̩əs/, U.S.

/ɪɡˈzɑdʒənəs/,

/ɛɡˈzɑdʒənəs/

Etymology: < modern Latin exōgena, exōgenus (see exogen n.) + -ous suffix.

a. Botany. Growing by additions on the outside; of the nature of an exogen; pertaining to or characteristic of the exogens.

ΘΚΠ

the world > plants > by growth or development > defined by habit > [adjective] > endogenous or exogenous

exogenous1830

1830 J. Lindley Introd. Nat. Syst. Bot. Introd. 19 A section of the trunk of an Exogenous plant exhibits bark on the outside.

1833 C. Lyell Princ. Geol. III. 98 There is a considerable analogy between the mode of increase of a volcanic cone and that of trees of exogenous growth.

1872 H. Macmillan True Vine iii. 76 As examples of exogenous plants may be mentioned the oak..the apple..and the rose.

b. Pathology and Psychiatry. = exogenetic adj.

ΘΚΠ

the world > health and disease > ill health > a disease > production of disease > [adjective] > from external cause

procatarctic1603

exogenetic1874

exogenous1883

heterochthonous1891

exogenic1900

xenogenous1901

1883 Fortn. Rev. Aug. 177 An exogenous contagion is one that depends for its potency upon favouring conditions outside the body.

1925 G. V. T. Hamilton Introd. Object. Psychopathol. ix. 283 Conjointly acting exogenous and endogenous stimuli..may..lead to seriously morbid habits of indirect reaction.

1962 Lancet 29 Dec. 1341/1 Genetic factors are known to be important in the ætiology of so-called endogenous depressions, the predisposition being inherited, and the depressive illness often being precipitated by other factors which may be physical or exogenous.

c. Anatomy. Of a portion of bone (see quot. 1854); opposed to autogenous.

ΘΚΠ

the world > existence and causation > existence > extrinsicality or externality > [adjective] > situated or concerned with what is outside

exteriora1538

extrinsical1578

extern1598

externala1616

extrinsic1666

extroitivea1834

exogenous1854

1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 168 Parts that grow out from previously ossified parts are called ‘exogenous’.

figurative.1870 A. D. T. Whitney We Girls ix. 152 I am going to try if one little bit of social life cannot be exogenous.1885 E. Lynn Linton Stabbed in Dark iv. 40 [He had] a more exogenous nature than had the other; a nature which lived more on, and adopted more from, externals.

d. Geology. Formed or occurring outside some structure or mass of rock (specified or understood); spec. = exogenetic adj. 2b.

ΘΚΠ

the world > the earth > structure of the earth > structural features > [adjective] > surface or top-set

exogenous1845

exogenetic1914

exogenic1942

non-penetrative1976

the world > the earth > structure of the earth > formation of features > [adjective] > manner

undigenous1799

exogenous1845

monogenetic1873

polygenetic1873

exogenetic1914

exogenic1942

palaeogeomorphic1945

1845 tr. A. von Humboldt Κοσμος I. 452 I entitled (1832) the plutonic and volcanic eruptive rocks endogenous (that which is engendered in the interior,) the sedimentary and flœtz rocks exogenous, (externally engendered).

1888 F. H. Hatch in J. J. H. Teall Brit. Petrogr. 430 Exomorphic, applied by Fournet to contact-metamorphism when produced in the rock through which the molten mass is erupted. Used in contradistinction to endomorphic. Syn. Exogenous.

1890 Bull. Geol. Soc. Amer. 1 48 The growth of the continent, so far as through marine waters, may be said to have been endogenous. It began to be exogenous on the Atlantic side in the Cretaceous era.

1905 J. Geikie Struct. & Field Geol. xiv. 204 Exogenous or intrusive veins.—These are simply protrusions proceeding from a mass of granite into the contiguous rocks.

1933 R. A. Daly Igneous Rocks & Depths of Earth viii. 150 Originating within the crater, all of these young bodies may be described as endogenous domes and are thus distinguished from the vastly bigger exogenous domes of the Mauna Loa or Icelandic type.

1954 W. D. Thornbury Princ. Geomorphol. iii. 34 The agencies thus far mentioned and the processes performed by them originate outside the earth's crust, and..have been designated by Lawson as epigene and by Penck as exogenous.

1968 R. W. Fairbridge Encycl. Geomorphol. 209/1 Rittmann (1962) refers to the volcanoes that build up from simple surface flows and cinders as exogenous cones and those that freeze over readily (the viscous ones) and push up from the inside as endogenous domes.

Derivatives

eˈxogenously adv.

ΘΚΠ

the world > plants > by growth or development > defined by habit > [adverb] > exogenously

exogenously1879

the world > space > relative position > condition of being external > [adverb] > on the outside

outwardOE

withoutc1000

outwithc1225

withoutforthc1380

outc1390

utouth1398

outwardsc1429

outwardlyc1432

withoutside1578

exogenously1879

1879 Spectator 6 Sept. 1125/1 Why should it [the Temple] not grow exogenously, building not towards the inside, but the outside?

1890 Williamson in Nature 17 Apr. 573 The former of these plants possessed a highly organized, exogenously developed xylem zone.

Draft additions December 2022

Of a circumstance, occurrence, influence, etc.: that originates from outside; external to or independent of the thing which is affected; extrinsic.

ΘΠ

the world > existence and causation > existence > extrinsicality or externality > [adjective] > coming or operating from outside or extraneous

strangec1386

alienate1533

extern1533

unnative1568

extrinsical1578

implanted1595

adventitious1603

intervenient1605

acquired1609

extrinsic1613

foreign1621

extraneous1638

adnate1642

acquisititiousa1652

external1651

adventual1656

forinsecal1658

adventine1755

extranate1856

1873 S. Amos Eng. Code i. 8 This difficulty cannot be wisely met by simply sweeping away all that is national..for the purpose of establishing in its place novel and exogenous principles of arrangement.

1974 Financial Times 22 Apr. 18/2 Price rises are due partly to exogenous factors outside the control of individual Governments.

2004 P. Ball Crit. Mass (2005) ix. 261 The causes of the business cycle are exogenous: they are imposed from outside the market system in the form of a series of random shocks delivered by technological progress.

This entry has not yet been fully updated (first published 1894; most recently modified version published online December 2022).

单词	exogenous
释义	exogenousadj. Brit. /ɛkˈsɒdʒᵻnəs/, /ɛkˈsɒdʒn̩əs/, /ᵻkˈsɒdʒᵻnəs/, /ᵻkˈsɒdʒn̩əs/, U.S. /ɪɡˈzɑdʒənəs/, /ɛɡˈzɑdʒənəs/ Etymology: < modern Latin exōgena, exōgenus (see exogen n.) + -ous suffix. a. Botany. Growing by additions on the outside; of the nature of an exogen; pertaining to or characteristic of the exogens. ΘΚΠ the world > plants > by growth or development > defined by habit > [adjective] > endogenous or exogenous exogenous1830 1830 J. Lindley Introd. Nat. Syst. Bot. Introd. 19 A section of the trunk of an Exogenous plant exhibits bark on the outside. 1833 C. Lyell Princ. Geol. III. 98 There is a considerable analogy between the mode of increase of a volcanic cone and that of trees of exogenous growth. 1872 H. Macmillan True Vine iii. 76 As examples of exogenous plants may be mentioned the oak..the apple..and the rose. b. Pathology and Psychiatry. = exogenetic adj. ΘΚΠ the world > health and disease > ill health > a disease > production of disease > [adjective] > from external cause procatarctic1603 exogenetic1874 exogenous1883 heterochthonous1891 exogenic1900 xenogenous1901 1883 Fortn. Rev. Aug. 177 An exogenous contagion is one that depends for its potency upon favouring conditions outside the body. 1925 G. V. T. Hamilton Introd. Object. Psychopathol. ix. 283 Conjointly acting exogenous and endogenous stimuli..may..lead to seriously morbid habits of indirect reaction. 1962 Lancet 29 Dec. 1341/1 Genetic factors are known to be important in the ætiology of so-called endogenous depressions, the predisposition being inherited, and the depressive illness often being precipitated by other factors which may be physical or exogenous. c. Anatomy. Of a portion of bone (see quot. 1854); opposed to autogenous. ΘΚΠ the world > existence and causation > existence > extrinsicality or externality > [adjective] > situated or concerned with what is outside exteriora1538 extrinsical1578 extern1598 externala1616 extrinsic1666 extroitivea1834 exogenous1854 1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 168 Parts that grow out from previously ossified parts are called ‘exogenous’. figurative.1870 A. D. T. Whitney We Girls ix. 152 I am going to try if one little bit of social life cannot be exogenous.1885 E. Lynn Linton Stabbed in Dark iv. 40 [He had] a more exogenous nature than had the other; a nature which lived more on, and adopted more from, externals. d. Geology. Formed or occurring outside some structure or mass of rock (specified or understood); spec. = exogenetic adj. 2b. ΘΚΠ the world > the earth > structure of the earth > structural features > [adjective] > surface or top-set exogenous1845 exogenetic1914 exogenic1942 non-penetrative1976 the world > the earth > structure of the earth > formation of features > [adjective] > manner undigenous1799 exogenous1845 monogenetic1873 polygenetic1873 exogenetic1914 exogenic1942 palaeogeomorphic1945 1845 tr. A. von Humboldt Κοσμος I. 452 I entitled (1832) the plutonic and volcanic eruptive rocks endogenous (that which is engendered in the interior,) the sedimentary and flœtz rocks exogenous, (externally engendered). 1888 F. H. Hatch in J. J. H. Teall Brit. Petrogr. 430 Exomorphic, applied by Fournet to contact-metamorphism when produced in the rock through which the molten mass is erupted. Used in contradistinction to endomorphic. Syn. Exogenous. 1890 Bull. Geol. Soc. Amer. 1 48 The growth of the continent, so far as through marine waters, may be said to have been endogenous. It began to be exogenous on the Atlantic side in the Cretaceous era. 1905 J. Geikie Struct. & Field Geol. xiv. 204 Exogenous or intrusive veins.—These are simply protrusions proceeding from a mass of granite into the contiguous rocks. 1933 R. A. Daly Igneous Rocks & Depths of Earth viii. 150 Originating within the crater, all of these young bodies may be described as endogenous domes and are thus distinguished from the vastly bigger exogenous domes of the Mauna Loa or Icelandic type. 1954 W. D. Thornbury Princ. Geomorphol. iii. 34 The agencies thus far mentioned and the processes performed by them originate outside the earth's crust, and..have been designated by Lawson as epigene and by Penck as exogenous. 1968 R. W. Fairbridge Encycl. Geomorphol. 209/1 Rittmann (1962) refers to the volcanoes that build up from simple surface flows and cinders as exogenous cones and those that freeze over readily (the viscous ones) and push up from the inside as endogenous domes. Derivatives eˈxogenously adv. ΘΚΠ the world > plants > by growth or development > defined by habit > [adverb] > exogenously exogenously1879 the world > space > relative position > condition of being external > [adverb] > on the outside outwardOE withoutc1000 outwithc1225 withoutforthc1380 outc1390 utouth1398 outwardsc1429 outwardlyc1432 withoutside1578 exogenously1879 1879 Spectator 6 Sept. 1125/1 Why should it [the Temple] not grow exogenously, building not towards the inside, but the outside? 1890 Williamson in Nature 17 Apr. 573 The former of these plants possessed a highly organized, exogenously developed xylem zone. Draft additions December 2022 Of a circumstance, occurrence, influence, etc.: that originates from outside; external to or independent of the thing which is affected; extrinsic. ΘΠ the world > existence and causation > existence > extrinsicality or externality > [adjective] > coming or operating from outside or extraneous strangec1386 alienate1533 extern1533 unnative1568 extrinsical1578 implanted1595 adventitious1603 intervenient1605 acquired1609 extrinsic1613 foreign1621 extraneous1638 adnate1642 acquisititiousa1652 external1651 adventual1656 forinsecal1658 adventine1755 extranate1856 1873 S. Amos Eng. Code i. 8 This difficulty cannot be wisely met by simply sweeping away all that is national..for the purpose of establishing in its place novel and exogenous principles of arrangement. 1974 Financial Times 22 Apr. 18/2 Price rises are due partly to exogenous factors outside the control of individual Governments. 2004 P. Ball Crit. Mass (2005) ix. 261 The causes of the business cycle are exogenous: they are imposed from outside the market system in the form of a series of random shocks delivered by technological progress. This entry has not yet been fully updated (first published 1894; most recently modified version published online December 2022). < adj.1830
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