Library / English Dictionary

CATALYSIS

Pronunciation (US):

(GB):

Irregular inflected form: catalyses   

 I. (noun) 

Sense 1

Meaning:

Acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction

Example:

of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced

Synonyms:

catalysis; contact action

Classified under:

Nouns denoting natural processes

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

chemical action; chemical change; chemical process ((chemistry) any process determined by the atomic and molecular composition and structure of the substances involved)

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

autocatalysis (catalysis in which the catalyst is one of the products of the reaction)

Derivation:

catalytic (relating to or causing or involving catalysis)

Credits

 Context examples: 

This protects other beta-lactam antibiotics from beta-lactamase catalysis, thereby enhancing their antibacterial effects.

(Clavulanic Acid, NCI Thesaurus)

This protects other beta-lactam antibiotics from beta-lactamase catalysis.

(Clavulanate Potassium, NCI Thesaurus)

Pemetrexed binds to and inhibits the enzyme thymidylate synthase (TS), which catalyses the methylation of 2'-deoxyuridine-5'-monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP), an essential precursor in DNA synthesis.

(Pemetrexed, NCI Thesaurus)

Pemetrexed binds to and inhibits the enzyme thymidylate synthase (TS) which catalyses the methylation of 2'-deoxyuridine-5'-monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP), an essential precursor in DNA synthesis.

(Pemetrexed disodium, NCI Thesaurus)

Epac1 then catalyses GTP-loading on Rap2B, which leads to PLC-e activation.

(Phospholipase C-Epsilon Signaling Pathway, NCI Thesaurus/BIOCARTA)

Catalyses DNA-template-directed extension of the 3'- end of a DNA strand by one nucleotide at a time.

(DNA-directed DNA Polymerase, NCI Thesaurus)

Intracellular CA II catalyses the formation of these ions.

(Collecting Duct Acid Secretion Pathway, NCI Thesaurus/KEGG)

An enzyme that catalyses the cleavage of inorganic phosphate non-specifically from a wide variety of phosphate esters and having a high (greater than 8) pH optimum.

(Alkaline Phosphatase, NCI Thesaurus)

Any substance that inhibits cytidine triphosphate synthetase, an enzyme that catalyses the rate-limiting step in the synthesis of CTP.

(Cytidine Triphosphate Synthetase Inhibitor, NCI Thesaurus)

Any substance that inhibits lipooxygenase, an enzyme that catalyses the dioxygenation of polyunsaturated fatty acids in lipids.

(Lipooxygenase Inhibitor, NCI Thesaurus)