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1. Tending to be responsive or to react to a stimulus.
2. Characterized by reaction.
3. Chemistry & Physics Tending to participate readily in reactions.

re·ac′tive·ly adv.
re·ac′tive·ness, re′ac·tiv′i·ty n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.reactivity - responsive to stimulation
sensitivity, sensitiveness, sensibility - (physiology) responsiveness to external stimuli; the faculty of sensation; "sensitivity to pain"
excitability, irritability - excessive sensitivity of an organ or body part
2.reactivity - ready susceptibility to chemical change
susceptibility, susceptibleness - the state of being susceptible; easily affected


[ˌriːækˈtɪvɪtɪ] n (Chem) → reattività


n. reactividad, manifestación de una reacción.


n reactividad f
References in periodicals archive ?
Paquette and his colleagues are hopingto produce larger quantities of the hexaene to study its crystal structure and its chemical reactivity.
4 Ellagitannins An Underestimated Class of Plant Polyphenols: Chemical Reactivity of Cglucosidic Ellagitannins in Relation to Wine Chemistry and Biological Activity (Stphane Quideau, Michael Jourdes, Dorothe Lefeuvre, Patrick Pardon, Cdric Saucier, Pierre-Louis Teissedre, and Yves Glories).
When calculations are correlated to, and supported by, experimental data they can provide fundamental insight into electronic structure and its contributions to physical properties and chemical reactivity.
This practical guide describes the basic computational methodologies for catalysis and materials science at an introductory level, presenting the methods with relevant applications, such as spectroscopic properties, chemical reactivity and transport properties of catalytically interesting materials.
Chemical Reactivity in the ground and the excited state
Molecular Networks' product portfolio comprises a set of different software tools, databases and decision support applications for the design and the synthesis of chemical compounds, the prediction of their chemical, physical and biological properties, their chemical reactivity and metabolic fate.
TROY Security Toner, a patented product, adds chemical reactivity to laser-printed documents.
Ensemble Discovery Corporation, located in Cambridge, MA, is an early stage company that is transforming the way scientists discover new chemical reactions by harnessing nature's approach to controlling chemical reactivity.
Deficiencies in essential properties like thermal management, structural integrity, surface property mismatches, electrical conductivity, and chemical reactivity characteristics are most often addressed by encapsulating the materials in another substance.
Currently, the company is directing its expertise and proprietary technology to expand its business activities in the areas of the prediction of chemical reactivity and synthetic accessibility of compounds.
The DFT simulations of benzothiazine derivative were performed not only to theoretically simulate single crystal XRD results, but also to explore structural properties like frontier molecular orbital analysis (FMOs), chemical reactivity indices and molecular electrostatic potential (MEP).