Elimination, Extinction
Noun and する verb
はいぜつ
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.
Something that is obsolete will end in extinction.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.