follow Dictionary.com

Get our exclusive Word of the Day images!

optical sound

noun, Movies.
1.
sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
Origin
1930-1935
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for optical sound
  • At the same time the nitrate optical sound track is rerecorded on magnetic tape and a safety optical negative produced.
British Dictionary definitions for optical sound

optical sound

noun
1.
sound recorded in the form of a photographic image on cinematograph films
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for optical sound

Few English speakers likely know this word

Word Value for optical

11
14
Scrabble Words With Friends