pho·​to·​pos·​i·​tive ˌfō-tō-ˈpä-zə-tiv How to pronounce photopositive (audio)
: exhibiting positive phototropism or phototaxis

Word History

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of photopositive was in 1914

Dictionary Entries Near photopositive

Cite this Entry

“Photopositive.” Dictionary, Merriam-Webster, Accessed 4 Mar. 2024.

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