Envelope
Envelope noun - A flat (usually rectangular) container for a letter, thin package, etc..
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Synonyms for Envelope
Layer and envelope are semantically related. In some cases you can use "Layer" instead a noun "Envelope".
Mutual synonyms
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Cite this Source
Layer and Envelope. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/envelope/layer
Envelope & Layer. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/envelope/layer>.
Layer or Envelope. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/envelope/layer.
Google Ngram Viewer shows how "envelope" and "layer" have occurred on timeline