Definition of carboxyl in English:

carboxyl

(also carboxy)

noun kɑːˈbɒksɪlkɑːˈbɒksʌɪlkɑrˈbɑksəl

Chemistry

as modifier Of or denoting the acid radical —COOH, present in most organic acids.
the carboxyl group
Example sentencesExamples
- This is caused by a dehydration reaction between the hydroxyl group from the glycerol and the carboxyl groups of the fatty acids.
- The carboxyl group of lysergic acid has been reduced to a methyl group.
- It is a weak organic acid that contains a carboxyl group.
- The ‘head’ of the molecule contains a phosphate group, glycerol, and the carboxyl groups from two long-chain fatty acids.
- Natural proteins are made up of alpha-amino acids, which have a carboxyl group and an amino group separated by one carbon atom.

Origin

Mid 19th century: from carbo- + ox- 'oxygen' + -yl.

Definition of carboxyl in US English:

carboxyl

nounkɑrˈbɑksəlkärˈbäksəl

Chemistry

as modifier Of or denoting the acid radical —COOH, present in most organic acids.
the carboxyl group
Example sentencesExamples
- The ‘head’ of the molecule contains a phosphate group, glycerol, and the carboxyl groups from two long-chain fatty acids.
- It is a weak organic acid that contains a carboxyl group.
- Natural proteins are made up of alpha-amino acids, which have a carboxyl group and an amino group separated by one carbon atom.
- This is caused by a dehydration reaction between the hydroxyl group from the glycerol and the carboxyl groups of the fatty acids.
- The carboxyl group of lysergic acid has been reduced to a methyl group.

Origin

Mid 19th century: from carbo- + ox- ‘oxygen’ + -yl.

单词	carboxyl
释义	Definition of carboxyl in English: carboxyl (also carboxy) noun kɑːˈbɒksɪlkɑːˈbɒksʌɪlkɑrˈbɑksəl Chemistry as modifier Of or denoting the acid radical —COOH, present in most organic acids. the carboxyl group Example sentencesExamples This is caused by a dehydration reaction between the hydroxyl group from the glycerol and the carboxyl groups of the fatty acids. The carboxyl group of lysergic acid has been reduced to a methyl group. It is a weak organic acid that contains a carboxyl group. The ‘head’ of the molecule contains a phosphate group, glycerol, and the carboxyl groups from two long-chain fatty acids. Natural proteins are made up of alpha-amino acids, which have a carboxyl group and an amino group separated by one carbon atom. Origin Mid 19th century: from carbo- + ox- 'oxygen' + -yl. Definition of carboxyl in US English: carboxyl nounkɑrˈbɑksəlkärˈbäksəl Chemistry as modifier Of or denoting the acid radical —COOH, present in most organic acids. the carboxyl group Example sentencesExamples The ‘head’ of the molecule contains a phosphate group, glycerol, and the carboxyl groups from two long-chain fatty acids. It is a weak organic acid that contains a carboxyl group. Natural proteins are made up of alpha-amino acids, which have a carboxyl group and an amino group separated by one carbon atom. This is caused by a dehydration reaction between the hydroxyl group from the glycerol and the carboxyl groups of the fatty acids. The carboxyl group of lysergic acid has been reduced to a methyl group. Origin Mid 19th century: from carbo- + ox- ‘oxygen’ + -yl.
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