letterboxing (English, noun)
expansion: letterboxing (uncountable)
Senses:
glosses: A hobby in which participants attempt to locate small boxes containing rubber stamps by following clues.
tags: uncountable
topics: broadcasting
film
media
television
glosses: The practice of transferring film shot in a widescreen aspect ratio to standard-width video formats while preserving the film's original aspect ratio.
tags: uncountable
Forms: