| 单词 | parasitic cone |
| 释义 | > as lemmasparasitic cone parasitic cone n. a small or subsidiary cone on the side of a volcano or vent. ΘΚΠ the world > the earth > land > landscape > high land > volcano > [noun] > cone or peak pike1555 puy1827 cone1830 hornito1830 monticule1830 cinder-cone1849 parasitic cone1863 mud cone1868 piton1886 driblet cone1888 sommac1910 shield1937 1863 J. D. Dana Man. Geol. iv. 694 Most of the small cones about volcanic mountains—called often parasitic cones—are formed in this manner about a point in some opened fissure from which lavas are ejected. 1908 Geogr. Jrnl. 31 474 Where the vent has shown a tendency to shift and form parasitic or subsidiary cones, the new opening has usually been nearer to the Pacific ocean. 1976 P. Francis Volcanoes iii. 104 The new eruption may take place completely independently of the main volcano, and a new mini-volcano or parasitic cone may be built up. < as lemmas |
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