supplementary planes

A form of supplementary plane — Any of the 16 Unicode planes located above Plane 0 (the BMP) and requiring the use of surrogate pairs to encode in UTF-16 (Planes 1 through 16, collectively covering the range of code points from U+10000 through U+10FFFF).

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Meanings

noun
  1. pluralplural of supplementary plane
Cite this entry
APA

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

MLA

“supplementary planes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/supplementary%20planes. Accessed November 4, 2026.

Chicago

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

Source: supplementary planes on Wiktionary, CC BY-SA 4.0.