levoglucose: meaning, definition, pronunciation and examples
Very Low / ArchaicTechnical / Historical Scientific
Quick answer
What does “levoglucose” mean?
An obsolete name for levulose, an old term for the simple sugar D-fructose.
Audio
Pronunciation
Definition
Meaning and Definition
An obsolete name for levulose, an old term for the simple sugar D-fructose.
A chemical term historically used in organic chemistry and biochemistry for the monosaccharide fructose, specifically referring to its levorotatory (rotating polarized light to the left) form. The term is now largely superseded by 'fructose' in modern nomenclature.
Dialectal Variation
British vs American Usage
Differences
No significant regional difference in usage, as the term is uniformly archaic in all scientific Englishes.
Connotations
Conveys a historical, precise, and technical nuance. Its use implies reference to older literature or a deliberate choice to use outdated nomenclature.
Frequency
Effectively zero in modern discourse. Extremely rare even in specialised academic writing, having been replaced by 'fructose' or 'D-fructose'.
Grammar
How to Use “levoglucose” in a Sentence
[levoglucose] is/was [adjective/noun phrase]the term [levoglucose]historically known as [levoglucose]Vocabulary
Collocations
Examples
Examples of “levoglucose” in a Sentence
adjective
British English
- The levoglucose solution was analysed.
- The historical levoglucose nomenclature is fascinating.
American English
- The levoglucose compound was identified.
- He studied the levoglucose literature.
Usage
Meaning in Context
Business
Never used.
Academic
Extremely rare; only in historical analyses of carbohydrate chemistry or philology of scientific terms.
Everyday
Never used.
Technical
Virtually obsolete. Might appear in a footnote or a historical review paper in biochemistry or organic chemistry.
Vocabulary
Synonyms of “levoglucose”
Vocabulary
Antonyms of “levoglucose”
Watch out
Common Mistakes When Using “levoglucose”
- Using 'levoglucose' to mean regular glucose.
- Thinking it is a current scientific term.
- Misspelling as 'levoglucoside' (a related but different compound).
FAQ
Frequently Asked Questions
No, it is not. Levoglucose is an obsolete name for fructose, which is a different monosaccharide than glucose.
You would only encounter it in very old scientific literature, historical reviews of chemistry, or possibly in etymology discussions about sugar names.
Scientific nomenclature became standardised. 'Fructose' and the D/L system for describing molecular handedness replaced older, less systematic names like levoglucose and levulose.
It comes from the Latin 'laevus', meaning 'left', referring to the direction in which the sugar rotates a plane of polarised light.
An obsolete name for levulose, an old term for the simple sugar D-fructose.
Levoglucose is usually technical / historical scientific in register.
Levoglucose: in British English it is pronounced /ˌliːvəʊˈɡluːkəʊs/, and in American English it is pronounced /ˌliːvoʊˈɡluːkoʊs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'Leave' (levo) the 'glucose' and turn LEFT towards fructose.
Conceptual Metaphor
A FOSSILISED TERM: A word preserved in the amber of old textbooks.
Practice
Quiz
What is the modern, common name for the sugar historically called levoglucose?