CHELATE

Pronunciation (US):

(GB):

 Dictionary entry overview: What does chelate mean? 

• CHELATE (noun)
  The noun CHELATE has 1 sense:

1. a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions

  Familiarity information: CHELATE used as a noun is very rare.

• CHELATE (adjective)
  The adjective CHELATE has 2 senses:

1. relating to or characterized by chelation

2. having or resembling chelae or claws

  Familiarity information: CHELATE used as an adjective is rare.

• CHELATE (verb)
  The verb CHELATE has 1 sense:

1. form a chelate, in chemistry

  Familiarity information: CHELATE used as a verb is very rare.

 Dictionary entry details 

• CHELATE (noun)

Sense 1

Meaning:

A heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions

Classified under:

Nouns denoting substances

Synonyms:

chelate; chelate compound

Hypernyms ("chelate" is a kind of...):

heterocycle; heterocyclic; heterocyclic compound (a compound containing a heterocyclic ring)

Derivation:

chelate (form a chelate, in chemistry)

• CHELATE (adjective)

Sense 1

Meaning:

Relating to or characterized by chelation

Classified under:

Relational adjectives (pertainyms)

Synonyms:

chelate; chelated

Pertainym:

chelation (the process of forming a ring by forming one or more hydrogen bonds)

Sense 2

Meaning:

Having or resembling chelae or claws

Classified under:

Relational adjectives (pertainyms)

Pertainym:

chela (a grasping structure on the limb of a crustacean or other arthropods)

• CHELATE (verb)

Present simple: I / you / we / they chelate    ... he / she / it chelates   
Past simple: chelated   
Past participle: chelated   
-ing form: chelating   

Sense 1

Meaning:

Form a chelate, in chemistry

Classified under:

Verbs of being, having, spatial relations

Hypernyms (to "chelate" is one way to...):

constitute; form; make (to compose or represent)

Sentence frame:

Something ----s

Derivation:

chelate (a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions)

chelation (the process of forming a ring by forming one or more hydrogen bonds)

chelation ((medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning)

 Context examples 

This agent does not readily chelate iron bound to transferrin, hemoglobin, myoglobin or cytochrome.

(Deferoxamine Mesylate, NCI Thesaurus)

The hydrochloride salt of demeclocycline, a broad-spectrum, tetracycline derivative exhibiting antimicrobial, aquaretic and chelating activities.

(Demeclocycline hydrochloride, NCI Thesaurus)

Reference to a chemical group or moiety that can complex or chelate a metal ion.

(Metal Ion Binding, NCI Thesaurus)

This protease is inhibited by metal chelating agents.

(Metalloproteinase, NCI Thesaurus)

An iron-chelating agent that binds free iron in a stable complex, preventing it from engaging in chemical reactions.

(Deferoxamine, NCI Thesaurus)

The hydrochloride salt form of deferoxamine, an iron chelating agent.

(Deferoxamine Hydrochloride, NCI Thesaurus)

Methionine chelates heavy metals, such as lead and mercury, aiding their excretion.

(Methionine, NCI Thesaurus)

DTPA is a bifunctional chelating agent thereby allowing for the binding of radioisotopes to the immunoconjugate.

(MOAB B-3-CHX-A-DTPA, NCI Thesaurus)

DTPA may chelate metallic moieties of unbound, extracellular radioimmunotherapeutics, thereby aggregating radioimmunotherapeutics locally to higher concentrations, and improving tumor cell radiocytotoxicity, while sparing normal tissues from the radiocytotoxic effects.

(Pentetic Acid, NCI Thesaurus)

The calcium salt of pentetic acid, a synthetic chelating agent related to the chelating agent ethylenediaminetetraacetic acid (EDTA).

(Pentetic acid calcium, NCI Thesaurus)