volcanismn.

Brit.

/ˈvɒlkənɪz(ə)m/, U.S.

/ˈvɔlkəˌnɪz(ə)m/,

/ˈvɑlkəˌnɪz(ə)m/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: volcanic adj., -ism suffix.

Etymology: < volcan- (in volcanic adj.) + -ism suffix, originally after either French volcanisme (1783 or earlier; 1861 in sense 2) or German Volcanismus (1802 or earlier). Compare slightly later vulcanism n. and earlier volcanist n.

Geology.

1. = vulcanism n. 1. Now rare.

ΘΚΠ

the world > the earth > earth sciences > theory of formation of earth > [noun] > internal heat

volcanism1811

vulcanism1819

plutonism1842

undation theory1932

magmatism1948

1811 J. Pinkerton Petralogy II. 253 If these ideas, however, should appear to savour of volcanism, let it be considered that we are on dangerous ground; for we now approach the volcanic domain.

1819 H. M. Williams tr. A. von Humboldt Personal Narr. Trav. IV. v. xiv. 24 The partizans of a universal volcanism, or of the ingenious Huttonian theory.

1959 Jrnl. Eng. & Germanic Philol. 58 493 In an age of nuclear physics the appreciation of Goethe's thought is necessarily different from that in the age of galvanism, neptunism, and volcanism.

2. Volcanic action or phenomena; the state, condition, or character of being volcanic; = vulcanism n. 2. Cf. volcanicity n.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > convulsion > [noun] > volcanic activity

volcanity1793

volcanism1830

volcanicity1832

vulcanicity1848

vulcanism1863

1830 Edinb. New Philos. Jrnl. 8 36 We find hot springs and exhalations of hot gases and vapours near all active volcanoes, whence we conclude them to be intimately connected with volcanism.

1895 Pop. Sci. Monthly Mar. 577 Much more attention than formerly is now paid to the study of volcanism.

1946 Jrnl. Geol. (Chicago) 54 374/2 A consideration of lunar ‘geophysics’ suggests that extensive volcanism is not likely on the moon.

1971 I. G. Gass et al. Understanding Earth xxi. 310/2 At the close of volcanism, the magma in these chambers will also solidify to coarse-grained rocks.

2010 D. A. Rothery Planets: Very Short Introd. ii. 46 On Earth, volcanism and plate tectonics combine to regulate the internal heat budget.

This entry has been updated (OED Third Edition, March 2013; most recently modified version published online December 2021).

单词	volcanism
释义	volcanismn. Brit. /ˈvɒlkənɪz(ə)m/, U.S. /ˈvɔlkəˌnɪz(ə)m/, /ˈvɑlkəˌnɪz(ə)m/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: volcanic adj., -ism suffix. Etymology: < volcan- (in volcanic adj.) + -ism suffix, originally after either French volcanisme (1783 or earlier; 1861 in sense 2) or German Volcanismus (1802 or earlier). Compare slightly later vulcanism n. and earlier volcanist n. Geology. 1. = vulcanism n. 1. Now rare. ΘΚΠ the world > the earth > earth sciences > theory of formation of earth > [noun] > internal heat volcanism1811 vulcanism1819 plutonism1842 undation theory1932 magmatism1948 1811 J. Pinkerton Petralogy II. 253 If these ideas, however, should appear to savour of volcanism, let it be considered that we are on dangerous ground; for we now approach the volcanic domain. 1819 H. M. Williams tr. A. von Humboldt Personal Narr. Trav. IV. v. xiv. 24 The partizans of a universal volcanism, or of the ingenious Huttonian theory. 1959 Jrnl. Eng. & Germanic Philol. 58 493 In an age of nuclear physics the appreciation of Goethe's thought is necessarily different from that in the age of galvanism, neptunism, and volcanism. 2. Volcanic action or phenomena; the state, condition, or character of being volcanic; = vulcanism n. 2. Cf. volcanicity n. ΘΚΠ the world > the earth > structure of the earth > formation of features > convulsion > [noun] > volcanic activity volcanity1793 volcanism1830 volcanicity1832 vulcanicity1848 vulcanism1863 1830 Edinb. New Philos. Jrnl. 8 36 We find hot springs and exhalations of hot gases and vapours near all active volcanoes, whence we conclude them to be intimately connected with volcanism. 1895 Pop. Sci. Monthly Mar. 577 Much more attention than formerly is now paid to the study of volcanism. 1946 Jrnl. Geol. (Chicago) 54 374/2 A consideration of lunar ‘geophysics’ suggests that extensive volcanism is not likely on the moon. 1971 I. G. Gass et al. Understanding Earth xxi. 310/2 At the close of volcanism, the magma in these chambers will also solidify to coarse-grained rocks. 2010 D. A. Rothery Planets: Very Short Introd. ii. 46 On Earth, volcanism and plate tectonics combine to regulate the internal heat budget. This entry has been updated (OED Third Edition, March 2013; most recently modified version published online December 2021). < n.1811
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