isomerize
C2Technical/Scientific
Definition
Meaning
To undergo or cause to undergo isomerism; to change into an isomer.
In chemistry, to change the molecular structure of a compound to a different isomer (same atoms, different arrangement), often involving a change in physical or chemical properties.
Linguistics
Semantic Notes
Primarily a transitive verb, but can be used intransitively (e.g., 'the compound isomerizes'). The process is called isomerization. Most common in organic and biochemistry contexts.
Dialectal Variation
British vs American Usage
Differences
No significant semantic differences. British English also accepts the spelling 'isomerise'.
Connotations
Purely technical term with no cultural connotations.
Frequency
Equally low frequency in both varieties, confined to scientific discourse.
Vocabulary
Collocations
Grammar
Valency Patterns
[NP] isomerizes [PP into NP][NP] is isomerized [PP to/into NP] (by NP)[NP] causes [NP] to isomerizeVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Academic
Used in chemistry, biochemistry, and chemical engineering papers to describe molecular rearrangements, e.g., 'The catalyst isomerizes linear alkanes into branched ones.'
Everyday
Virtually never used.
Technical
Core term in synthetic chemistry, petrochemical refining (e.g., isomerization of n-butane to isobutane), and photochemistry (e.g., retinal isomerization in vision).
Examples
By Part of Speech
verb
British English
- The researcher attempted to isomerise the compound using ultraviolet light.
- This molecule can readily isomerise under acidic conditions.
American English
- The new catalyst efficiently isomerizes glucose into fructose.
- We need to isomerize this alkene to increase its octane rating.
adjective
British English
- The isomerising agent was added dropwise.
- An isomerisable bond was identified in the structure.
American English
- The isomerizing conditions were carefully controlled.
- The compound contains an isomerizable double bond.
Examples
By CEFR Level
- In organic chemistry, some molecules can isomerize when exposed to light.
- The process isomerizes the fuel, making it more efficient.
- The enzyme's primary function is to isomerize the substrate into its biologically active form.
- Under the reaction conditions, the intermediate quickly isomerized to a more stable configuration.
Learning
Memory Aids
Mnemonic
Think: 'ISO' (same) + 'MER' (parts) + 'IZE' (make) = 'to make the same parts into a different arrangement'.
Conceptual Metaphor
MOLECULAR REARRANGEMENT IS REORGANIZATION (like moving the same furniture in a room to a new layout).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Не путать с 'изомеризовать' (редкий, но возможный вариант) и 'превращать в изомер' – оба корректны, но первый более прямой калькированный глагол.
- Не переводить как 'изменять изомер' – это бессмысленно, так как изомер уже является результатом изменения.
Common Mistakes
- Using 'isomerize' for simple changes of state (e.g., melt, dissolve).
- Confusing with 'ionize' or 'polymerize'.
- Incorrect: 'The solution isomerized.' (If no structural change occurred)
Practice
Quiz
In which context is the verb 'to isomerize' most appropriately used?
FAQ
Frequently Asked Questions
Primarily, yes. Related forms are the noun 'isomerization' and the adjective 'isomerizable/iseable'.
'Isomerize' is the standard American spelling. 'Isomerise' is a valid British English variant, following the -ise/-ize pattern.
Yes, particularly in biochemistry. For example, describing the isomerization of a sugar molecule by an enzyme during metabolism.
No. It is a specialised (C2-level) technical term relevant only to learners in scientific fields such as chemistry, biochemistry, or chemical engineering.