gamma-aminobutyric acid: meaning, definition, pronunciation and examples
Low (Technical/Scientific)Technical/Scientific/Medical
Quick answer
What does “gamma-aminobutyric acid” mean?
The primary inhibitory neurotransmitter in the central nervous system of mammals.
Audio
Pronunciation
Definition
Meaning and Definition
The primary inhibitory neurotransmitter in the central nervous system of mammals.
A naturally occurring amino acid that functions as a neurotransmitter, reducing neuronal excitability throughout the nervous system. It is often abbreviated as GABA.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Pronunciation may show minor variation.
Connotations
None beyond its technical meaning.
Frequency
Equally low frequency in both varieties; used only in relevant technical fields.
Grammar
How to Use “gamma-aminobutyric acid” in a Sentence
Gamma-aminobutyric acid is secreted by [neurons].The action of gamma-aminobutyric acid is mediated by [receptors].[Drugs] modulate the effects of gamma-aminobutyric acid.Vocabulary
Collocations
Examples
Examples of “gamma-aminobutyric acid” in a Sentence
adjective
British English
- The gamma-aminobutyric acid pathway is crucial.
- They studied gamma-aminobutyric acid receptors.
American English
- The gamma-aminobutyric acid system is complex.
- They observed gamma-aminobutyric acid activity.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Used in neuroscience, psychology, biochemistry, and medical research papers and textbooks.
Everyday
Virtually never used; the abbreviation 'GABA' might appear on supplement labels or in wellness articles.
Technical
The standard term in neurobiology, pharmacology, and related laboratory sciences.
Vocabulary
Synonyms of “gamma-aminobutyric acid”
Neutral
Weak
Vocabulary
Antonyms of “gamma-aminobutyric acid”
Watch out
Common Mistakes When Using “gamma-aminobutyric acid”
- Mispronouncing 'aminobutyric' (common error: a-MINE-oh vs. a-MEE-noh).
- Incorrect hyphenation: 'gamma amino butyric acid'.
- Using the full term in casual conversation where 'GABA' would be more appropriate.
- Confusing its inhibitory role with excitatory neurotransmitters.
FAQ
Frequently Asked Questions
GABA stands for Gamma-Aminobutyric Acid.
No, it is a neurotransmitter produced naturally in the brain. However, GABA is sold as a dietary supplement, though its ability to cross the blood-brain barrier is debated.
Yes. Low levels are associated with anxiety, seizures, and insomnia. Excessively high levels, while rare, can lead to excessive sedation or drowsiness.
It is a core term in neuroscience, neuropharmacology, psychiatry, biochemistry, and physiology.
The primary inhibitory neurotransmitter in the central nervous system of mammals.
Gamma-aminobutyric acid is usually technical/scientific/medical in register.
Gamma-aminobutyric acid: in British English it is pronounced /ˌɡæm.ə əˌmiː.nəʊ.bjuːˌtɪr.ɪk ˈæs.ɪd/, and in American English it is pronounced /ˌɡæm.ə əˌmiː.noʊ.bjuːˌtɪr.ɪk ˈæs.ɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think 'GABA' as the brain's 'Brake' Acid: Gamma-AminoButyric Acid = Brake. It slows down nerve signals.
Conceptual Metaphor
A BRAKE or DAMPER on neural activity; a CALMING SIGNAL.
Practice
Quiz
What is the primary function of gamma-aminobutyric acid (GABA) in the central nervous system?