Abolition
Elimination, Extinction
noun, verbal noun
Something that is obsolete will end in extinction. Join in the calls for its abolition, elimination and extinction, whatever it is.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
核廃絶運動家たちは、核兵器を廃絶することは実現可能だと信じている。
The anti-nuclear movement believes that the abolition of nuclear weapons is feasible.