reactivity

How readily something reacts

Reactivity is the tendency to respond or react.

In chemistry, it measures how readily a substance undergoes chemical reactions: Sodium has high reactivity with water.

In psychology, reactivity describes how subjects change their behavior when they know they're being observed.

In programming, reactivity refers to systems that automatically update when their underlying data changes.

sensitivity

allergy

Adverse immune response

anaphylaxis · allergen · antigen · immunoglobulin · susceptibility · trigger · inflammation · response · threshold · flare

chemistry

catalyst

Agent enabling change

valence · kinetics · bond · enthalpy · acid · base · alkali · metal · ionization · compound

responsiveness

adaptive

Able to change accordingly

quick · alert · attuned · sensitive · receptive · dynamic · proactive · anticipatory · feedback · adjustment

emotional

impulsive

Acting without deliberation

temperamental · hair-trigger · knee-jerk · hypersensitive · thin-skinned · touchy · mercurial · explosive · lashing out · snapping

Categories
Opposites
chemical/physical responsiveness

reactivityinertness

State of non-reactivity

inertia · stability · unreactivity · passivity · chemical stability

emotional/psychological responsiveness

reactivityequanimity

Unshakable mental steadiness

composure · emotional stability · indifference · insensibility · detachment

Phrases
Family

react, reaction, reacting, reacted, reactionary, reactions, reactive, reactivate, reactor

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