chelate Syllabification: (che·late)Pronunciation: /ˈkēˌlāt/Definition of chelate noun Chemistry a compound containing a ligand (typically organic) bonded to a central metal atom at two or more points. adjective Zoology (of an appendage) bearing chelae. verb [with object] Chemistry form a chelate with. Derivatives chelationPronunciation: /kēˈlāSHən/ noun chelatorPronunciation: /-ˌlātər/ noun chelate in other Oxford dictionaries Definition of chelate in the British & World English dictionary