• synonyms


[suhl-fyoo r-ik]
adjective Chemistry.
  1. of, relating to, or containing sulfur, especially in the hexavalent state.
Show More

Origin of sulfuric

1780–90; < French sulfurique; see sulfur, -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sulfuric

Historical Examples

  • The most common acids are sulfuric, hydrochloric, and nitric.

    Encyclopedia of Diet

    Eugene Christian

  • Sulfuric acid, that there's what ye said—an' that there's what I got.

  • It must not be hot enough, however, to volatilize the sulfuric acid.

  • Put a drop of concentrated nitric or sulfuric acid on a piece of colored wool cloth, or on a piece of colored silk.

    Common Science

    Carleton W. Washburne

  • From a burette, quarter normal (N/4) sulfuric acid is added until the pink color is just discharged.

    Soap-Making Manual

    E. G. Thomssen

Word Origin and History for sulfuric


also sulphuric, 1790, from French sulfurique; see sulfur + -ic.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

sulfuric in Science


  1. Containing sulfur, especially sulfur with a valence of 6. Compare sulfurous.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.