masking
mask-ing
noun
The act of covering or concealing something to hide, protect, or obscure it.
"The masking of the data ensured privacy."
noun
Material used to cover or protect a surface, often during painting or finishing work.
"He applied masking to the edges before painting."
verb
The action of covering or concealing something, often to hide or protect it.
"She was masking her true feelings."
Thesaurus
Synonyms: cover, screening, covering, masking piece