a. [In sense 1 ad. F. vulcanique, It. (also Pg.) vulcanico, f. It. vulcano VOLCANO. In sense 2 f. L. Vulcān-us VULCAN sb.]

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  1.  VOLCANIC a. 2 b.

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1774.  Phil. Trans., LXV. 24. The vulcanic districts of Auvergne and Velay … afford proofs enough of the truth of this opinion. Ibid., 27. I have already observed, that there are many vulcanic mountains of a totally different form from the common volcanos.

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1888.  Doughty, Arabia Deserta, I. 20. Of such vulcanic breaches there are many in these limestone downs. Ibid., 21. The Belka chalk is changed by the vulcanic heat.

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  2.  Of or belonging to, having the character of, Vulcan. (With initial capital.)

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1807.  Europ. Mag., LII. 469/2.

        What tho’ with Vulcanic knocking
  Thou still may bring forth many a thought;
Tho’ ideas in myriads flocking,
  Insect-like before thee float.

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1866.  R. S. Hawker, in C. E. Byles, Life & Lett., xxiii. (1905), 547. The great majority of Vassals of his own which exists in this Vulcanic [i.e., manufacturing] nation.

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  b.  Of or pertaining to fire; fiery.

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1866.  Lowell, Carlyle, Prose Wks. 1890, II. 83. Even the burning of a meeting-house, in itself a vulcanic rarity, could not … tickle his outworn palate.

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1867.  J. B. Rose, trans. Virgil’s Æneid, 224. Vulcan begot him—in vulcanic lair He breathed forth flame.

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