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organic chemistry

American  

noun

  1. the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.


organic chemistry British  

noun

  1. the branch of chemistry concerned with the compounds of carbon: originally confined to compounds produced by living organisms but now extended to include man-made substances based on carbon, such as plastics Compare inorganic chemistry

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

organic chemistry Scientific  
  1. The branch of chemistry that deals with carbon and organic compounds, especially hydrocarbons.


organic chemistry Cultural  
  1. The branch of chemistry dealing with organic molecules (see also organic molecule).


Etymology

Origin of organic chemistry

First recorded in 1870–75


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Example Sentences

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In organic chemistry, this property is known as "chirality", so chiral molecules have both right and left-handed forms.

From BBC ● Oct. 7, 2026

Missions studying Mars, Europa, Enceladus, and other worlds are producing increasingly detailed measurements of organic chemistry.

From Science Daily ● May 12, 2026

“From a cost and scalability perspective, using organic chemistry is a lot more efficient than what we have to do creating autoinjectors, with peptides, etc.”

From The Wall Street Journal ● Apr. 30, 2026

Garg’s 19-person lab works on developing new organic chemistry reactions that could have pharmaceutical applications.

From Los Angeles Times ● Sep. 22, 2025

The elements were from my mother’s own version of organic chemistry.

From "The Joy Luck Club" by Amy Tan

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