| 单词 | chelate |
| 释义 | chelate —chelatable, adj. /kee"layt/, adj., n., v., chelated, chelating. adj. 1. Chem. a. of or noting a heterocyclic compound having a central metallic ion attached by covalent bonds to two or more nonmetallic atoms in the same molecule. b. of or noting a compound having a cyclic structure resulting from the formation of one or more hydrogen bonds in the same molecule. 2. Zool. having a chela or chelae. n. 3. Chem. a chelate compound. v.i. Chem. 4. (of a heterocyclic compound) to react to form a chelate. 5. (of a compound) to form a ring by forming one or more hydrogen bonds. v.t. 6. Chem. to combine (an organic compound) with a metallic ion to form a chelate. [1820-30; CHEL(A)1 + -ATE1] |
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