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dimethyl

American  
[dahy-meth-uhl] / daɪˈmɛθ əl /

noun

Chemistry.
  1. ethane.


Etymology

Origin of dimethyl

First recorded in 1865–70; di- 1 + methyl

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

K2-18b, a sub-Neptune with a possible water-rich interior, made headlines when scientists spotted signs of dimethyl sulphide — a gas linked to marine life on Earth.

From BBC Jul. 17, 2026

The energy operations supply various fuels used for heating, cooking and transportation, including liquefied petroleum gas, biopropane and renewable dimethyl ether, as well as diesel oil and gasoline.

From The Wall Street Journal Jul. 2, 2026

Let’s mention here that dimethyl sulfide is emitted during wildfires, and so contributes to a scent that has grown chillingly familiar in many parts of North America in recent years.

From Salon May 31, 2025

This suggested that microscopic plankton living on the surface of the seas produce sulfur in the form of a gas, dimethyl sulphide, that once in the atmosphere, oxidizes and forms small particles called aerosols.

From Science Daily Nov. 27, 2024

Great care should be taken in using dimethyl and diethyl sulphates, as the respiratory organs are affected by the vapours, leading to severe attacks of pneumonia.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

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