carboxylate: meaning, definition, pronunciation and examples
RareTechnical/Scientific
Quick answer
What does “carboxylate” mean?
A salt or ester of a carboxylic acid.
Audio
Pronunciation
Definition
Meaning and Definition
A salt or ester of a carboxylic acid.
The anion (RCOO⁻) resulting from deprotonation of a carboxylic acid, or a chemical compound containing such a group. Also used as a verb meaning to convert a compound into a carboxylate, typically by reaction with a base.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or spelling differences. Pronunciations may vary slightly (see IPA). Usage is identical in technical contexts.
Connotations
Purely technical term with no cultural connotations.
Frequency
Extremely low frequency in general language, but standard within chemistry in both regions.
Grammar
How to Use “carboxylate” in a Sentence
[substance] carboxylates [acid] to form [salt]The [base] carboxylates the [acidic compound].Vocabulary
Collocations
Examples
Examples of “carboxylate” in a Sentence
verb
British English
- The hydroxide will carboxylate the acetic acid.
- They carboxylated the fatty acid using sodium carbonate.
American English
- The base carboxylates the carboxylic acid to form a soluble salt.
- The researcher carboxylated the compound prior to analysis.
adjective
British English
- The carboxylate moiety is essential for binding.
- They studied the carboxylate functionality of the polymer.
American English
- The carboxylate group is negatively charged.
- We identified a key carboxylate residue in the enzyme.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Exclusively used in chemistry, biochemistry, and related physical sciences.
Everyday
Not used.
Technical
The primary domain. Used in research papers, lab reports, chemical patents, and textbooks.
Vocabulary
Synonyms of “carboxylate”
Neutral
Weak
Vocabulary
Antonyms of “carboxylate”
Watch out
Common Mistakes When Using “carboxylate”
- Misspelling as 'carboxilate' or 'carboxalate'.
- Using it as a general term for any organic acid.
- Confusing carboxylate (RCOO⁻) with carbonate (CO₃²⁻).
FAQ
Frequently Asked Questions
It is primarily a noun, but in chemistry, it is commonly used as a verb meaning 'to convert into a carboxylate'.
A carboxylic acid has the -COOH group and can donate a proton (H⁺). A carboxylate is the -COO⁻ anion (or its salt) formed after that proton is lost.
Almost exclusively in chemistry textbooks, research papers, and laboratory settings, particularly in organic chemistry, biochemistry, and materials science.
Stress is on the second syllable: kar-BOX-i-late. In British English, the first vowel is like in 'car', and the 'o' is like in 'box'. In American English, the first vowel is also 'ar', but the 'o' is more open, like in 'father'.
A salt or ester of a carboxylic acid.
Carboxylate is usually technical/scientific in register.
Learning
Memory Aids
Mnemonic
Think: CARBOXYL (like in carboxylic acid) + ATE (like the ending of 'salt' or 'action'). A carboxylate is what you get when you 'ate' (react) a carboxyl group with a base.
Conceptual Metaphor
Often conceptualised as a 'handle' or 'anchor' that allows molecules to bind to metal ions or become water-soluble.
Practice
Quiz
What is a carboxylate ion?