sulfurous

comparative more sulfurous · superlative most sulfurous · alternative UK sulphurous

1. USContaining sulfur.

   The miners slowly walked up the steep crater walls, stopping frequently while clouds of sulfurous gas blanketed the crater in the background.

   2015 February 25, Kevin McElvaney, “Inside Indonesia's Ijen Volcano”, in The Atlantic, archived from the original on 06 Mar 2016

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   It must be so—I will arise and waken The multitude, and like a sulphurous hill, Which on a sudden from its snows had shaken The swoon of ages, it shall burst, and fill The world with cleansing fire; it must, it will— It may not be restrained!

   1817 December, Percy Bysshe Shelley, “The Revolt of Islam. […]”, in [Mary] Shelley, editor, The Poetical Works of Percy Bysshe Shelley. […], volume I, London: Edward Moxon […], published 1839, →OCLC, page 191

2. chemistryOf, or relating to sulfur, especially in its lower oxidation state.