[かっせいさんそ, kasseisanso] (n) reactive oxygen (i.e. free radicals, which can be destructive at high concentrations) [Add to Longdo]
Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Reactive \Re*act"ive\ (r[-e]*[a^]kt"[i^]v), a. [Cf. F.
r['e]actif.]
Having power to react; tending to reaction; of the nature of
reaction. -- {Re*act"ive*ly}, adv. -- {Re*act"ive*ness}, n.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
reactive
adj 1: participating readily in reactions; "sodium is a reactive
metal"; "free radicals are very reactive" [ant:
{unreactive}]
2: reacting to a stimulus; "the skin of old persons is less
reactive than that of younger persons" [syn: {reactive},
{responsive}]
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