window envelope


Definition of window envelope

: an envelope having an opening through which the address on the enclosure is visible

First Known Use of window envelope

1914, in the meaning defined above

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Time Traveler for window envelope

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The first known use of window envelope was in 1914

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Dictionary Entries Near window envelope

window-efficiency ratio

window envelope

window fixture

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Cite this Entry

“Window envelope.” Dictionary, Merriam-Webster, Accessed 27 Oct. 2021.

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