1. A thin skin or membrane.
2. A thin, opaque, abnormal coating on the cornea of the eye.
3. A thin covering or coating: a film of dust on the piano.
4. A thin, flexible, transparent sheet, as of plastic, used in wrapping or packaging.
a. A thin sheet or strip of flexible material, such as a cellulose derivative or a thermoplastic resin, coated with a photosensitive emulsion and used to make photographic negatives or transparencies.
b. A thin sheet or strip of developed photographic negatives or transparencies.
a. A movie, especially one recorded on film.
b. The presentation of such a work.
c. A long, narrative movie.
d. Movies collectively, especially when considered as an art form.
v. filmed, film·ing, films
1. To cover with or as if with a film.
2. To record on film or video using a movie camera: film a rocket launch; film a scene from a ballet.
1. To become coated or obscured with or as if with a film: The window filmed over with moisture.
2. To make or shoot scenes for a movie.
[Middle English, from Old English filmen; see pel-3 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.