decimalise vs British spelling

decimalise is not a noun while British spelling is a noun.

Word	Noun	Adjective	Verb	Adverb
decimalise	No	No	Yes	No
British spelling	Yes	No	No	No

decimalise (noun)	British spelling (noun)
	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

decimalise (verb)	British spelling (verb)
change to the decimal system
change from fractions to decimals