transaminase: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “transaminase” mean?
Any enzyme that catalyzes the transfer of an amino group from one molecule to another.
Audio
Pronunciation
Definition
Meaning and Definition
Any enzyme that catalyzes the transfer of an amino group from one molecule to another.
Specifically, enzymes such as ALT (alanine transaminase) and AST (aspartate transaminase) that are critical in amino acid metabolism and are used clinically as biomarkers of liver and muscle damage.
Dialectal Variation
British vs American Usage
Differences
No differences in meaning or usage. Spelling is identical.
Connotations
Identical, purely scientific/medical.
Frequency
Extremely rare outside professional contexts in both regions.
Grammar
How to Use “transaminase” in a Sentence
N + of + NP (transaminase of the liver)N + be + elevated/raisedV + NP (elevate transaminases)Vocabulary
Collocations
Examples
Examples of “transaminase” in a Sentence
verb
British English
- This pathway transaminates the amino acid.
American English
- The reaction transaminates the substrate.
adjective
British English
- The transaminase reaction is reversible.
American English
- The transaminase activity was measured.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Common in biochemistry, medicine, and related life science papers and textbooks.
Everyday
Extremely rare; only used when discussing specific medical test results with a patient.
Technical
Core terminology in clinical pathology, hepatology, and biochemistry.
Vocabulary
Synonyms of “transaminase”
Neutral
Weak
Watch out
Common Mistakes When Using “transaminase”
- Spelling: 'transaminaze', 'transaminaze'. Pronunciation: stressing the wrong syllable (e.g., TRAN-saminase).
FAQ
Frequently Asked Questions
ALT and AST are specific types of transaminases. The term 'transaminase' is the general class of enzyme.
Elevated levels in blood tests are key indicators of liver, heart, or muscle damage.
Yes, but clinically, elevated levels are of much greater significance for diagnosing disease.
No, it is a highly specialized scientific term. Most native speakers would not know it unless they work in medicine or science.
Any enzyme that catalyzes the transfer of an amino group from one molecule to another.
Transaminase is usually technical/scientific in register.
Transaminase: in British English it is pronounced /ˌtrænzˈæmɪneɪz/, and in American English it is pronounced /ˌtrænzˈæməˌneɪs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: TRANSfer of AMINo groups + ASE (enzyme suffix) = TRANSAMINASE.
Conceptual Metaphor
Often conceptualized as a "factory worker" or "transfer agent" shuttling amino groups between molecules.
Practice
Quiz
What is the primary function of a transaminase?