- the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- 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 plasticsCompare inorganic chemistry
- The chemistry of compounds containing carbon.
- The branch of chemistry that deals with carbon and organic compounds, especially hydrocarbons.
The branch of chemistry dealing with organic molecules (see also organic molecule).