reduction-n; 2 Senses

Sense Number 1: decreasing

Commentary: REDUCTION[+event] The act of becoming smaller, lower, less important, less complex, etc. Can occur with or without an agent.

Examples:
The reduction of voting age to eighteen was supposed to have caused politicians to pay attention to young people.
The reduction of resolution to 200 x 600 might make your image a little unclear.
John's reduction of the complex political situation to a simple "us against them" viewpoint won him the election.
Unfortunately, the last few days has seen a major price reduction for several stocks.

Mappings:
WordNet 2.0 Sense Numbers: 1 3

Sense Number 2: electron transfer

Commentary: REDUCTION[+event] Probably a rare sense. The gaining of an electron by an atom. The opposite of oxidation.

Examples:
My teacher gave me a set of oxidation-reduction reaction problems for homework.
The element that gained electrons was said to have undergone reduction.

Mappings:
WordNet 2.0 Sense Numbers: 2