Word.ws English Dictionary

polyfold

polyfold noun: a metrizable space together with an equivalence class of sc-smooth structures.

Noun

polyfold (plural polyfolds)

  1. A metrizable space together with an equivalence class of sc-smooth structures.

Adjective

polyfold (not comparable)

  1. Having the same total and azimuthal quantum numbers, similar energy values, but different inner quantum numbers.
    • Each group of lines may be accounted for by transitions of the valence electron between a polyfold level of one type and another polyfold level of the same or different type.1925, Scientific papers of the Bureau of Standards - Volume 19, page 121
    • Multiplicities of the energy states of the polyfold spectral terms depend on the valence electrons of the atoms.1926, Herbert Treadwell Wade, The New International Year Book, page 557
  2. Having multiple parts or aspects.
    • I have tried to remain with the realm of this subject, admitting there are many conditions associated with constipation such as the various types of colitis and allergies, which in itself is a polyfold subject.1938, The Journal of the American College of Proctology, page 14
    • The rise, of many binary, ternary and perhaps polyfold eutectics, often with the character of independent minerals was proved by experience.1980, Ján Ilavský, & Geologický ústav Dionýza Štúra, Antimónové rudy Československa
  3. Having multiple folds.
    • The shape of the polyfold panel surface which has resulted from the strictly technological properties of the material brings about a very characteristic appearance of the areas covered.1965, Society of Plastics Engineers., Technical Papers Presented at the Annual National Technical Conference
    • Polyfold air filters provide low resistance and high dust-holding capacity and are for general-purpose filtration in commercial and industrial applications with either permanent, cleanable, or disposable media.1997, Design News - Volume 52, page 363

Forms of polyfold

pluralpolyfolds

Origin of polyfold

From poly- + fold.

Questions about polyfold

What does polyfold mean?
Polyfold means a metrizable space together with an equivalence class of sc-smooth structures.
What part of speech is polyfold?
Polyfold can be a noun or an adjective.
What is the plural of polyfold?
The plural of polyfold is polyfolds.

Words near polyfold in the dictionary

  1. polyfoam
  2. polyfoams
  3. polyfocal
  4. polyfoil
  5. polyfoils
  6. polyfold
  7. polyfolds
  8. polyfollicular
  9. polyform
  10. polyformaldehyde
  11. polyforming

Source and license

Adapted from Wiktionary: polyfold (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “polyfold.” Word.ws, https://word.ws/polyfold. Based on Wiktionary, CC BY-SA 4.0.