chēˈlate noun (chem)

A co-ordination compound (eg haemoglobin) in which a central metallic ion is attached to an organic molecule at two or more positions (also adjective)

To form a chelate

chēlāˈtion noun

chēlāˈtor noun

chēlifˈerous adjective (zoology)

Having a chela or chelae

chēˈliform adjective (zoology)

Shaped like a chela or pincer

chēˈliped noun

One of the pair of legs carrying the chelae in arthropods

chelation therapy noun

The treatment of heavy metal (eg lead) poisoning or certain other diseases by a substance (chelating agent) which combines chemically with the toxic substances and renders them harmless