carbon chain
US /ˈkɑːr.bən ˌtʃeɪn/
UK /ˈkɑːr.bən ˌtʃeɪn/
1.
a series of carbon atoms linked together, forming the backbone of most organic molecules
:
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Long carbon chains are characteristic of fatty acids.
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The structure of the molecule is based on a branched carbon chain.