sulfur dioxide

noun

Definition of sulfur dioxide

  1. :  a heavy pungent toxic gas SO2 that is easily condensed to a colorless liquid, is used especially in making sulfuric acid, in bleaching, as a preservative, and as a refrigerant, and is a major air pollutant especially in industrial areas

1869

First Known Use of sulfur dioxide

1869


SULFUR DIOXIDE Defined for English Language Learners

sulfur dioxide

noun

Definition of sulfur dioxide for English Language Learners

  • chemistry : a gas that has a strong smell, that is used in many industries, and that contributes to air pollution


Medical Dictionary

sulfur dioxide

noun

Medical Definition of sulfur dioxide

  1. :  a heavy pungent toxic gas SO2 that is easily condensed to a colorless liquid, is used especially in making sulfuric acid, in bleaching, as a preservative, and as a refrigerant, and is a major air pollutant especially in industrial areas


Learn More about sulfur dioxide


Seen and Heard

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

WORD OF THE DAY

a trip made at another's expense

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ