ˈ ̷ ̷ˌ ̷ ̷ noun
: a photographic transparency for projection consisting of a small piece of film mounted between two clear glass plates or cardboard masks
ˈ ̷ ̷ˌ ̷ ̷ noun
: a photographic transparency for projection consisting of a small piece of film mounted between two clear glass plates or cardboard masks
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012