DictionaryreduceChemical change
verb

reduce

To gain electrons or remove oxygen in a chemical reaction.

The reaction reduces the metal oxide.

Etymology

The parts mean leading back. Early chemical reduction often restored metal from its compound; the concept broadened to removal of oxygen and, more generally, gain of electrons.

More examples

  • The compound was reduced by gaining electrons.
  • Carbon can reduce some metal oxides during heating.
  • The experiment showed which substance had been reduced.

Forms

reduce · reduces · reduced · reducing

reduction noun — a chemical gain of electrons

Similar words

oxidize
The contrasting process involving electron loss.