metricise vs British spelling

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

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

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

metricise (verb)	British spelling (verb)
convert from a non-metric to the metric system
express in the metric system