Definitions:

1. any process in which electrons are added to an atom or ion, as by removing oxygen or adding hydrogen noun
   • The reduction reaction replaced the chlorine atom with a hydrogen.
2. the act of decreasing or reducing something noun
   • The reduction in crime was credited to the new mayor.
3. the act of reducing complexity noun
   • The reduction of the equation was simple.

Synonyms:

• decrease
• diminution
• reducing
• simplification
• step-down

NearBy Words:

• reductionism
• reductionist