| 释义 |
chelateenUK
che·late C0268900 (kē′lāt′)adj. Zoology Having chelae or resembling a chela.n. Chemistry A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions.tr.v. che·lat·ed, che·lat·ing, che·lates 1. Chemistry To combine (a metal ion) with a chemical compound to form a ring.2. Medicine To remove (a heavy metal, such as lead or mercury) from the bloodstream by means of a chelate, such as EDTA. che′lat·a·ble adj.che·la′tion n.che′la′tor n.chelate (ˈkiːleɪt) n (Chemistry) chem a coordination compound in which a metal atom or ion is bound to a ligand at two or more points on the ligand, so as to form a heterocyclic ring containing a metal atomadj1. (Zoology) zoology of or possessing chelae2. (Chemistry) chem of or denoting a chelatevb (Chemistry) (intr) chem to form a chelate[C20: from chela1]che•late (ˈki leɪt) adj., n., v. -lat•ed, -lat•ing. adj. 1. 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. 2. having a chela or chelae. n. 3. a chelate compound. v.i. 4. (of a heterocyclic compound) to form a chelate in a reaction. v.t. 5. to combine (an organic compound) with a metallic ion to form a chelate. [1820–30] che′lat•a•ble, adj. che′la•tor, n. chelate Past participle: chelated Gerund: chelating
| Present |
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| I chelate | | you chelate | | he/she/it chelates | | we chelate | | you chelate | | they chelate |
| Preterite |
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| I chelated | | you chelated | | he/she/it chelated | | we chelated | | you chelated | | they chelated |
| Present Continuous |
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| I am chelating | | you are chelating | | he/she/it is chelating | | we are chelating | | you are chelating | | they are chelating |
| Present Perfect |
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| I have chelated | | you have chelated | | he/she/it has chelated | | we have chelated | | you have chelated | | they have chelated |
| Past Continuous |
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| I was chelating | | you were chelating | | he/she/it was chelating | | we were chelating | | you were chelating | | they were chelating |
| Past Perfect |
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| I had chelated | | you had chelated | | he/she/it had chelated | | we had chelated | | you had chelated | | they had chelated |
| Future |
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| I will chelate | | you will chelate | | he/she/it will chelate | | we will chelate | | you will chelate | | they will chelate |
| Future Perfect |
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| I will have chelated | | you will have chelated | | he/she/it will have chelated | | we will have chelated | | you will have chelated | | they will have chelated |
| Future Continuous |
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| I will be chelating | | you will be chelating | | he/she/it will be chelating | | we will be chelating | | you will be chelating | | they will be chelating |
| Present Perfect Continuous |
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| I have been chelating | | you have been chelating | | he/she/it has been chelating | | we have been chelating | | you have been chelating | | they have been chelating |
| Future Perfect Continuous |
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| I will have been chelating | | you will have been chelating | | he/she/it will have been chelating | | we will have been chelating | | you will have been chelating | | they will have been chelating |
| Past Perfect Continuous |
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| I had been chelating | | you had been chelating | | he/she/it had been chelating | | we had been chelating | | you had been chelating | | they had been chelating |
| Conditional |
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| I would chelate | | you would chelate | | he/she/it would chelate | | we would chelate | | you would chelate | | they would chelate |
| Past Conditional |
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| I would have chelated | | you would have chelated | | he/she/it would have chelated | | we would have chelated | | you would have chelated | | they would have chelated | Thesaurus| Noun | 1. | chelate - a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ionschelate compoundheterocycle, heterocyclic, heterocyclic compound - a compound containing a heterocyclic ring | | Verb | 1. | chelate - form a chelate, in chemistryform, constitute, make - to compose or represent:"This wall forms the background of the stage setting"; "The branches made a roof"; "This makes a fine introduction" | | Adj. | 1. | chelate - relating to or characterized by chelationchelated | | 2. | chelate - having or resembling chelae or claws | TranslationschelateenUK
chelate[′kē‚lāt] (invertebrate zoology) Pertaining to an appendage with a pincerlike organ or claw. (organic chemistry) A molecular structure in which a heterocyclic ring can be formed by the unshared electrons of neighboring atoms. chelateenUK
chelate [ke´lāt] 1. to combine with a metal in complexes in which the metal is part of a ring.2. by extension, a chemical compound in which a metallic ion is sequestered and firmly bound into a ring within the chelating molecule. Chelates are used in chemotherapy of metal poisoning.che·late (kē'lāt), 1. To effect chelation. 2. Pertaining to chelation. 3. A complex formed through chelation. chelate (kē′lāt′)adj. Zoology Having chelae or resembling a chela.n. Chemistry A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions.tr.v. che·lated, che·lating, che·lates 1. Chemistry To combine (a metal ion) with a chemical compound to form a ring.2. Medicine To remove (a heavy metal, such as lead or mercury) from the bloodstream by means of a chelate, such as EDTA. che′lat·a·ble adj.che·la′tion n.che′la′tor n.che·late (kē'lāt) 1. To effect chelation. 2. Pertaining to chelation. 3. A complex formed through chelation. chelate - possessing claws or pincer-like appendages.
- to combine with a metal ion to form a stable compound.
ChelateA chemical that binds to heavy metals in the blood, thereby helping the body to excrete them in urine.Mentioned in: Nephrotoxic InjurychelateenUK Related to chelate: EDTA, Chelate EffectSynonyms for chelatenoun a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ionsSynonymsRelated Words- heterocycle
- heterocyclic
- heterocyclic compound
verb form a chelate, in chemistryRelated Wordsadj relating to or characterized by chelationSynonyms |