photonegative

adjective
pho·​to·​neg·​a·​tive | \ ˌfō-tō-ˈne-gə-tiv How to pronounce photonegative (audio) \

Definition of photonegative

: exhibiting negative phototropism or phototaxis

First Known Use of photonegative

1914, in the meaning defined above

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The first known use of photonegative was in 1914

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Cite this Entry

“Photonegative.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photonegative. Accessed 13 Jul. 2020.

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