upper concave envelopes

A form of upper concave envelope — Synonym of concave envelope.

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Meanings

noun
  1. pluralplural of upper concave envelope
Cite this entry
APA

upper concave envelopes. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/upper%20concave%20envelopes

MLA

“upper concave envelopes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/upper%20concave%20envelopes. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “upper concave envelopes,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/upper%20concave%20envelopes.

Source: upper concave envelopes on Wiktionary, CC BY-SA 4.0.