Word: demask
Part of speech: Verb
Syllables: de
mask
Definition: To clear etchant and maskant from a part being chemically etched or milled.
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: mask
Language: en
PoS: Verb
Meaning: to cover or shield a part of a design or picture in order to prevent reproduction or to safeguard the surface from the colors used when working with an air brush or painting