diapositive

American

[dahy-uh-poz-i-tiv] / ˌdaɪ əˈpɒz ɪ tɪv /

noun

a positive photographic image produced on a transparent film or glass base.

diapositive British

/ ˌdaɪəˈpɒzɪtɪv /

noun

a positive transparency; slide

"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

Etymology

Origin of diapositive

First recorded in 1890–95; dia- + positive

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023