sulfuric acid

noun
Updated on: 17 Nov 2017

Definition of sulfuric acid

:a heavy corrosive oily dibasic strong acid H2SO4 that is colorless when pure and is a vigorous oxidizing and dehydrating agent

Is it sulfur or sulphur?

The spelling sulfur predominates in U.S. technical usage, while both sulfur and sulphur are common in general usage. British usage tends to favor sulphur for all applications. The same pattern is seen in most of the words derived from sulfur.


Recent Examples of sulfuric acid from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sulfuric acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sulfuric acid

1788


SULFURIC ACID Defined for English Language Learners

sulfuric acid

noun

Definition of sulfuric acid for English Language Learners

  • chemistry : a very strong type of acid


Medical Dictionary

sulfuric acid

noun

medical Definition of sulfuric acid

:a heavy corrosive oily dibasic strong acid H2SO4 that is colorless when pure and is a vigorous oxidizing and dehydrating agent — see oil of vitriol

Learn More about sulfuric acid


Seen and Heard

What made you want to look up sulfuric acid? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to praise usually to excess

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!