(ˈ)dē+ transitive verb
Etymology: de- + vitalize
: to deprive of life or vitality: as
a. : to deprive of force or effectiveness
catchy tunes are often devitalized by constant repetition
his clumsy presentation devitalizes his argument
b. : to refine (as foodstuffs) to the point that essential or desirable constituents are lost
the processor that devitalizes our food and then restores a part of what he has thrown away
c. : to destroy the pulp of and usually remove the pulp from (as a tooth)