demagnetise vs British spelling

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

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

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

demagnetise (verb)	British spelling (verb)
make nonmagnetic; take away the magnetic properties (of)
erase (a magnetic storage device)