sun valve

noun

Definition of sun valve

: a device operated by the heat and light of the sun by which beacon lights or other apparatus may be automatically turned off during the daytime

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Dictionary Entries Near sun valve

Sun Valley

sun valve

sun visor

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Cite this Entry

“Sun valve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sun%20valve. Accessed 1 Dec. 2021.

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