chelation: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “chelation” mean?
The process of binding a metal ion to an organic molecule, forming a ring structure.
Audio
Pronunciation
Definition
Meaning and Definition
The process of binding a metal ion to an organic molecule, forming a ring structure.
1. A chemical process where a ligand (chelating agent) forms multiple coordinate bonds with a central metal atom. 2. A medical treatment for heavy metal poisoning.
Dialectal Variation
British vs American Usage
Differences
Spelling identical. Pronunciation may show minor vowel quality differences. Usage domain identical across varieties.
Connotations
Identically technical/scientific.
Frequency
Very low frequency in general discourse, identical specialist frequency.
Grammar
How to Use “chelation” in a Sentence
chelation of [metal] (by/with [agent])chelation for [purpose][agent] undergoes/binds via chelationVocabulary
Collocations
Examples
Examples of “chelation” in a Sentence
verb
British English
- The EDTA will chelate the excess copper ions in the solution.
- The new compound was designed to chelate heavy metals more efficiently.
American English
- The treatment aims to chelate lead from the patient's bloodstream.
- This polymer can chelate multiple ions simultaneously.
adjective
British English
- The chelating properties of the agent were thoroughly tested.
- We observed a strong chelation effect.
American English
- They used a chelating resin in the filtration system.
- The patient showed improvement after the chelation procedure.
Usage
Meaning in Context
Business
Rare. Possibly in contexts of pharmaceutical or environmental remediation industries.
Academic
Common in chemistry, biochemistry, pharmacology, and environmental science papers.
Everyday
Virtually unused. Might be encountered in discussions of alternative medicine.
Technical
Core term in describing metal-ligand interactions, wastewater treatment, and medical detoxification protocols.
Vocabulary
Synonyms of “chelation”
Vocabulary
Antonyms of “chelation”
Watch out
Common Mistakes When Using “chelation”
- Misspelling as 'cheletion' or 'chlation'. Confusing it with 'chelation therapy' (medical application) as the sole meaning.
FAQ
Frequently Asked Questions
When performed under strict medical supervision for diagnosed heavy metal poisoning, it is a validated treatment. Self-administered or alternative use can be dangerous.
A molecule, like EDTA or citric acid, that can form multiple bonds with a metal ion, effectively 'sequestering' or immobilising it.
In industrial water softening (removing calcium/magnesium), as additives in food to prevent metal-catalysed spoilage, and in agriculture to deliver micronutrients to plants.
It means 'claw', metaphorically describing the way the ligand encloses the metal ion.
The process of binding a metal ion to an organic molecule, forming a ring structure.
Chelation is usually technical/scientific in register.
Chelation: in British English it is pronounced /kiːˈleɪʃən/, and in American English it is pronounced /kiˈleɪʃən/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a CHELAte like a CHELsea player tackling (binding) the ball (metal ion) with both legs (multiple bonds), forming a ring.
Conceptual Metaphor
A CLAW (from Greek 'chele') grasping an object; a HUG enclosing something; a KEY LOCK mechanism.
Practice
Quiz
What is the primary field of use for the term 'chelation'?