galactose: meaning, definition, pronunciation and examples
C2technical/scientific
Quick answer
What does “galactose” mean?
A simple sugar (monosaccharide), chemically a hexose, that is a component of lactose (milk sugar).
Audio
Pronunciation
Definition
Meaning and Definition
A simple sugar (monosaccharide), chemically a hexose, that is a component of lactose (milk sugar).
In biochemistry and nutrition, galactose is a vital energy source and a building block for complex carbohydrates; it is metabolized from lactose and can be converted to glucose in the liver.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage between UK and US English.
Connotations
Neutral scientific term in both varieties.
Frequency
Equally low frequency in general discourse, but standard in scientific contexts worldwide.
Grammar
How to Use “galactose” in a Sentence
Galactose is converted to [glucose].Lactose is broken down into [glucose and galactose].The enzyme acts on [galactose].Vocabulary
Collocations
Examples
Examples of “galactose” in a Sentence
adjective
British English
- The galactose content was analysed.
- A galactose-free diet is recommended.
American English
- They measured galactose concentration.
- A galactose-restricted meal plan.
Usage
Meaning in Context
Academic
In biochemistry papers: 'The pathway for galactose metabolism was elucidated.'
Everyday
Rare; possibly in dietary discussions: 'This product is suitable for people with galactose intolerance.'
Technical
Central term in medical diagnostics, food science, and metabolic research.
Vocabulary
Synonyms of “galactose”
Weak
Watch out
Common Mistakes When Using “galactose”
- Mispronunciation: /ɡæl.əkˈtoʊz/ (incorrect stress).
- Misspelling: 'galactose' confused with 'galactase' (an enzyme).
FAQ
Frequently Asked Questions
No. Lactose is a disaccharide ('milk sugar') made from one glucose and one galactose molecule linked together.
Yes, most people can. It is metabolised in the liver to produce glucose for energy. However, some individuals have galactosemia, a condition where they cannot metabolise it.
Galactose is primarily found as part of lactose in dairy products like milk, cheese, and yoghurt. It is also present in some fruits and legumes.
It is a crucial energy source and is believed to play a role in brain and nervous system development in infants.
A simple sugar (monosaccharide), chemically a hexose, that is a component of lactose (milk sugar).
Galactose is usually technical/scientific in register.
Galactose: in British English it is pronounced /ɡəˈlæk.təʊs/, and in American English it is pronounced /ɡəˈlæk.toʊs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: GALAXY + SUGAR. Just as a galaxy is made of stars, lactose (milk sugar) is made of glucose and galactose.
Practice
Quiz
In which field is the term 'galactose' most commonly used?