Optional overlay Synonyms

Definitions for Optional

(adjective) subject to one's freedom of choice
(adjective) possible but not necessary; left to personal choice

OO abbreviation

OO is an abbreviation for Optional Overlay

What does OO stand for?

OO stands for "Optional Overlay"

Overlay replaced

optional cloak

optional mask

Definitions for Overlay

(verb) to form a layer over
(verb) to lie over parts of one another
(verb) put something on top of something else