Word: demagnetising
Part of speech: Verb
Syllables: de
mag
ne
ti
sing
Definition: Present participle of demagnetise; make nonmagnetic; take away the magnetic properties (of)
Morphemes:
Affix: de-
Language: en
PoS: Prefix
Meaning: Intensifying; make more intense, stronger, or more marked; 
Etymology Compounds: Affix: dē-
Language: la
Decoded: de-
PoS: Prefix
Meaning: de-
Affix: magnet
Language: en
PoS: Noun
Meaning: A piece of material that attracts some metals by magnetism.
Etymology Compounds: Affix: magnetum
Language: la
Decoded: magnetum
Meaning: lodestone
Affix: -ise
Language: en
PoS: Suffix
Meaning: to make what is denoted by the noun/adjective
Etymology Compounds: Affix: -izāre
Language: la
Decoded: -izare
PoS: Suffix
Meaning: Used to form verbs from nouns and adjectives.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form present participles of verbs.