reaction

Best matches, sorted by the Matches.

1-20 of 20 possibilities

Definition/MeaningWord/Phrase
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected accelerator , catalyst
efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation action spectrum
energy that an atomic system must acquire before a process (such as an emission or reaction) can occur activation energy , energy of activation
part of an enzyme or antibody where the chemical reaction occurs active site
(chemistry) the capacity of a substance to take part in a chemical reaction activity
chemical reaction in which one molecule is added to another addition reaction
compound formed by an addition reaction adduct
(biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction agonist
reaction of aldehydes resulting in an aldol aldol reaction
eczema caused by an allergic reaction allergic eczema
hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity allergic reaction , allergy
rhinitis caused by an allergic reaction allergic rhinitis
bodily reaction to irritants allergy
biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha-naphthol in the presence of sulfuric acid alpha-naphthol test , Molisch's test , Molisch reaction , Molisch test
severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure anaphylactic shock
hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance anaphylaxis
compound formed from one or more other compounds in a reaction resulting in removal of water anhydride
nonverbal reaction answer
(chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst anticatalyst
energy released by a nuclear reaction atomic energy , nuclear energy
Search another word or see reaction on Thesaurus | Reference
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature