Library / English Dictionary

HETEROCYCLIC

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A compound containing a heterocyclic ring

Synonyms:

heterocycle; heterocyclic; heterocyclic compound

Classified under:

Nouns denoting substances

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

chemical compound; compound ((chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight)

Hyponyms (each of the following is a kind of "heterocyclic"):

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

 II. (adjective) 

Sense 1

Meaning:

Containing a closed ring of atoms of which at least one is not a carbon atom

Classified under:

Adjectives

Similar:

cyclic (of a compound having atoms arranged in a ring structure)

Derivation:

heterocycle (a ring of atoms of more than one kind; especially a ring of carbon atoms containing at least one atom that is not carbon)

heterocycle (a compound containing a heterocyclic ring)

Credits

 Context examples: 

An organic salt containing a one to one ratio of methenamine, a heterocyclic organic compound, and mandelic acid, an aromatic alpha hydroxy acid, used in the treatment of urinary tract infections.

(Methenamine Mandelate, NCI Thesaurus)

Proteins that contain a metal-containing cofactor that consists of an iron atom contained in the center of a large heterocyclic organic ring called a porphyrin.

(Heme Protein, NCI Thesaurus)

A chlorinated heterocyclic sulfanilamide with potential antineoplastic activity and potential immunosuppressive activity.

(Chloroquinoxaline sulfonamide, NCI Thesaurus)

An heterocyclic antineoplastic antibiotic isolated from the bacterium Actinomycete strain J907-21.

(Elsamitrucin, NCI Thesaurus)

Heterocyclic Amines are formed from cooking meat such as beef, pork, fowl, and fish when amino acids and creatine (found in muscle) react at high temperatures.

(Heterocyclic Amine Carcinogen, NCI Thesaurus)

A heterocyclic compound with anticoagulant activity.

(Coumarin Compound, NCI Thesaurus)

Any compound that contains the basic indole structure, an aromatic heterocyclic organic compound, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing pyrrole ring.

(Indole Compound, NCI Thesaurus)

Also called heterocyclic amine.

(HCA, NCI Dictionary)

Among participants who reported eating at least two servings of red meat, chicken or fish a week, the analysis revealed that the risk of developing high blood pressure was: 17 percent higher in those who grilled, broiled, or roasted beef, chicken or and fish more than 15 times/month, compared with less than 4 times a month. 15 percent higher in those who prefer their food well done, compared with those who prefer rarer meats. 17 percent higher in those estimated to have consumed the highest levels of heterocyclic aromatic amines (HAAs) — chemicals formed when meat protein is charred or exposed to high temperatures — compared to those with the lowest intake.

(High Temp Grilled Meat May Raise Blood Pressure, The Titi Tudorancea Bulletin)

Because of the high temperatures used, frying, broiling, and barbecuing produce the largest amounts of heterocyclic amines.

(Heterocyclic Amine Carcinogen, NCI Thesaurus)