Definition of unreactive in English:

unreactive

Line breaks: un|re¦act¦ive
Pronunciation: /ʌnrɪˈaktɪv
 
/

adjective

Having little tendency to react chemically.
More example sentences
  • John Hartwig and his team at Yale University meanwhile have found a simple way to add a functional group using borane reagents and a rhodium complex catalyst to the commonly unreactive alkanes at a fairly mild 150 Celsius.
  • Some unreactive metals react only very slowly, such as copper and lead.
  • Cooling molten silica below the melting point results in fused silica, a rigid, transparent substance, chemically unreactive to the vast majority of substances.

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