A benzophenanthridine alkaloid extracted from the greater celandine (Chelidonium majus)

(chemistry) a complex where a metal ion is bound to two or more atoms of the chelant

(zoology) Any turtle in the family Chelidae.

plural of chelatase

(biochemistry) An enzyme that catalyzes the chemical reaction ATP + hydrogenobyrinic acid a,c-diamide + Co²⁺ + H₂O ⇌ ADP + phosphate + cob(II)yrinic acid a,c-diamide + H⁺.

plural of chela

The role or status of chela (pupil or disciple).

(biochemistry) Any enzyme that catalyzes chelation, especially that of a specified metal ion

plural of chelation

Alternative form of chelator