Question

What is meaning of reduction and oxidation in organic chemistry?

Answer 1

reduction means loss of oxygen and gain of hydrogen...
oxidation means gain of oxygen loss of oxygen...
I hope this helps you .....

Answer 2

An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.