disaccharidase: meaning, definition, pronunciation and examples
C2Technical/Medical/Scientific
Quick answer
What does “disaccharidase” mean?
An enzyme that catalyzes the hydrolysis of disaccharides into their monosaccharide components.
Audio
Pronunciation
Definition
Meaning and Definition
An enzyme that catalyzes the hydrolysis of disaccharides into their monosaccharide components.
A type of digestive enzyme specific to breaking down double sugars, crucial for carbohydrate digestion and absorption. Deficiencies can lead to medical conditions like lactose intolerance.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is consistent. Potentially more frequent in clinical contexts in the US ('disaccharidase deficiency' as a diagnosis).
Connotations
Neutral, technical term in both variants. Implies a biochemical or medical context.
Frequency
Extremely low frequency in general discourse. Found almost exclusively in academic biochemistry, medical, and nutrition texts.
Grammar
How to Use “disaccharidase” in a Sentence
Deficiency in/of disaccharidaseActivity of disaccharidaseHydrolysis by disaccharidaseVocabulary
Collocations
Examples
Examples of “disaccharidase” in a Sentence
adjective
British English
- The disaccharidase activity in the biopsy sample was severely reduced.
American English
- A disaccharidase deficiency test confirmed the diagnosis.
Usage
Meaning in Context
Business
Virtually never used. Might appear in highly specialized biotech/pharma reports.
Academic
Primary context. Used in biochemistry, physiology, medicine, and nutrition journals and textbooks.
Everyday
Extremely rare. Only in specific patient education about conditions like lactose intolerance.
Technical
Core context. Precise term for enzymes like lactase, sucrase-isomaltase.
Vocabulary
Synonyms of “disaccharidase”
Strong
Neutral
Weak
Vocabulary
Antonyms of “disaccharidase”
Watch out
Common Mistakes When Using “disaccharidase”
- Mispronouncing as 'di-sa-CHA-ri-dase'. The stress is on the second syllable: 'di-SAC-cha-ri-dase'.
- Using it as a countable noun for a single enzyme type (e.g., 'a disaccharidase') is less common than specifying lactase, etc.
- Misspelling as 'disacchardase' or 'disacharidase'.
FAQ
Frequently Asked Questions
Yes, lactase is a specific type of disaccharidase that breaks down lactose (milk sugar) into glucose and galactose.
Primarily on the brush border membrane of the epithelial cells lining the small intestine.
Undigested disaccharides pass into the large intestine, where they are fermented by bacteria, leading to osmotic diarrhoea, gas, bloating, and abdominal cramps.
Lactase (for lactose), sucrase-isomaltase (for sucrose and maltose/isomaltose), and maltase-glucoamylase (for maltose and starch derivatives).
An enzyme that catalyzes the hydrolysis of disaccharides into their monosaccharide components.
Disaccharidase is usually technical/medical/scientific in register.
Disaccharidase: in British English it is pronounced /daɪˈsæk.ər.aɪ.deɪz/, and in American English it is pronounced /daɪˈsæk.ər.aɪ.deɪs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Disaccharide + 'ase' (think 'erase'): the enzyme that 'erases' or breaks apart a disaccharide.
Conceptual Metaphor
A KEY that UNLOCKS a double sugar (disaccharide) into two single sugars (monosaccharides).
Practice
Quiz
What is the primary function of a disaccharidase?