subproper

S1U1B3P3R1O1P3E1R1

adjective

Having some of the key characteristics of the proper property (which ones depend on the type of proper property).

OriginEnglish proper ← Middle English propre ← Anglo-Norman propre →
Scrabble 15
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Meanings

adjectivesubproper (not comparable)
  1. not comparablemathematicsHaving some of the key characteristics of the proper property (which ones depend on the type of proper property).

    The author establishes some basic properties and two surjectivity theorems for subproper operators.

    1988, Reviews in Global Analysis, 1980-86, page 344
    2 more examples

    An object can have several subproper centers or none at all. Figure 2 shows the proper center and some subproper centers for the letter E.

    1987, Journal of the Optical Society of America, page 1795

    Obviously, each perfect mapping is a proper mapping, each proper mapping is a subproper mapping and each subproper mapping is a compact-covering mapping.

    2016, Shou Lin, Ziqiu Yun, Generalized Metric Spaces and Mappings, page 101

Origin

  1. Proto-Indo-European*upó
  2. Proto-Italic*supo
  3. Latinsub
  4. Latinsub-
  5. Englishsub-
  6. Proto-Indo-European*per-der.?
  7. Proto-Indo-European*pér
  8. Proto-Indo-European*pró
  9. Proto-Indo-European*pro-
  10. Proto-Italic*pro-
  11. Proto-Indo-European*preyH-
  12. Proto-Indo-European*priHós
  13. Proto-Italic*prijos
  14. Proto-Italic*proprijos
  15. Latinpropriu
  16. Anglo-Normanpropre
  17. Middle Englishpropre
  18. Englishproper
  19. Englishsubproper

From sub- + proper.

Full word history & related roots →
Cite this entry
APA

subproper. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/subproper

MLA

“subproper.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subproper. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “subproper,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/subproper.

Source: subproper on Wiktionary, CC BY-SA 4.0.