an edible yellow-to-orange bracket fungus, Laetiporus sulphureus, common on tree trunks, in which it causes wood decay.
noun 1. a spring the water of which contains naturally occurring sulfur compounds.
noun, Chemistry. 1. an irritant, corrosive, low-melting solid, SO 3 , obtained by the oxidation of sulfur dioxide, used as an intermediate in the manufacture of sulfuric acid. sulfur trioxide A colorless, highly reactive, corrosive compound that exists either as a liquid or as a solid. As a solid, it exists in three forms that […]
adjective, Chemistry. 1. containing the sulfuryl group, SO 2 , as sulfuryl chloride; sulfonyl. sulfuryl sul·fur·yl (sŭl’fə-rĭl’, -fyə-) n. See sulfonyl.
or sulfonyl chloride noun, Chemistry. 1. a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.