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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 ?
Through interpretative methods from chemical reactivity theory, I will tackle the missing links in this field of molecular life sciences.
The unique and useful properties of silicones such as low thermal conductivity, low chemical reactivity, low toxicity, and thermal stability make products stronger, more aesthetic, stable, user friendly, and durable.
Cryopreservation is a process in which cells, whole tissues or any other substances susceptible to damage caused by chemical reactivity or time, are preserved by cooling them to sub-zero temperatures.
They possess the properties of low thermal conductivity, low toxicity, stability, low chemical reactivity, and high strength.
They also have considerable experience in fluorination chemistry, successfully synthesising multiple (poly)fluorinated target molecules utilising a range of methods of fluorine introduction and exploiting the altered chemical reactivity of the substrates in the downstream chemistry.
Without information regarding the potential risks of intermediates (which can be highly complex molecules)--including toxicity, flammability, explosivity, corrosivity, chemical reactivity, thermal stability, etc.
Chapters five, six, and seven deal with cryochemistry, chemical reactivity in nanoparticles, and larger self-assembling structures made from assemblies of nanoparticles, respectively.
Carbon nanotubes (CNTs) are considered appropriate options to stabilize the enzyme on the surface of electrochemical sensors due to their chemical reactivity, high stability, and appropriate mechanical resistance.
Phosphorus is the key element in ATP, and other fundamental building blocks of life like DNA, but the form it commonly takes on Earth, phosphorus (V), is largely insoluble in water and has a low chemical reactivity.
H and O are the two extremes on the chemical reactivity or redox scale.
Patent 7,842,390 (November 30, 2010), "Chain End Functionalized Fluoropolymers Having Good Electrical Properties and Good Chemical Reactivity," TzeChiang Chung, Zhicheng Zhang, Shangtao Chen, Katsuyoshi Kubo, and Koji Kigawa (The Penn State Research Foundation, University Park, Pennsylvania, USA; and Daikin America, Inc, Orangeburg, New York, USA).
Knowing the great properties of silicone, such as thermal stability, low toxicity, low chemical reactivity, high resistance to impact, tissue feeling and Eco-friendly, we combine material advantages to create a better life.