Synonyms: reactive
Definition: participating readily in reactions
Usage: sodium is a reactive metal; free radicals are very reactive
Similar words: activated, excited
Definition: (of e.g. a molecule) made reactive or more reactive
Similar words: labile
Definition: (chemistry, physics, biology) readily undergoing change or breakdown
Similar words: oxidizable
Definition: capable of undergoing a chemical reaction with oxygen
Similar words: thermolabile
Definition: (chemistry, physics, biology) readily changed or destroyed by heat
Similar words: unstable
Definition: highly or violently reactive
Usage: sensitive and highly unstable compounds
Synonyms: reactive, responsive
Definition: reacting to a stimulus
Usage: the skin of old persons is less reactive than that of younger persons
Similar words: sensitive
Definition: responsive to physical stimuli
Usage: a mimosa's leaves are sensitive to touch; a sensitive voltmeter; sensitive skin; sensitive to light