noun[as modifier] Chemistry
Of or denoting the acid radical —COOH, present in most organic acids: the carboxyl group
More example sentences
- The carboxyl group of lysergic acid has been reduced to a methyl group.
- This is caused by a dehydration reaction between the hydroxyl group from the glycerol and the carboxyl groups of the fatty acids.
- It is a weak organic acid that contains a carboxyl group.
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