редуцировать

Etymology
, further from.

Verb

 * 1)  to reduce (in volume, number, etc.)
 * 2)  to reduce (a complex process to a simpler one)
 * 3)  to reduce (decrease in size or complexity or completely die off due to loss of function)
 * 4)  to reduce (an unstressed vowel to a weaker articulation)
 * 5)  to reduce (undergo chemical reduction, i.e. reversal of oxidation)
 * 6)  to reduce (subject to reduction, i.e. pressure reduction)

Conjugation
imperfective

perfective