What part of speech is invalidation?

Invalidation can be categorized as a noun.

Parts of speech

Noun
invalidation - (law) a formal termination (of a relationship or a judicial proceeding etc)

#		Sentence
1.	noun	There are only two hard things in Computer Science: cache invalidation and naming things.

Sentence
noun
There are only two hard things in Computer Science: cache invalidation and naming things.

Please be aware that some of the sentences on this page have been automatically tagged and do not always have 100% accuracy.