Word.ws English Dictionary

fold sphere

fold sphere noun: a fold mirror that is a "sphere", i.e. a spherical mirror.

Noun

fold sphere

  1. A fold mirror that is a "sphere", i.e. a spherical mirror
    • Center of curvature for the 3.75-m fold sphere is accessible for in situ testing of this mirror.2006 July, Burge et al., “Design and analysis for interferometric measurements of the GMT primary mirror segments”, in Proceedings of SPIE, volume 6273, →DOI, retrieved 27 Dec 2021, pages 62730M-5

Questions about fold sphere

What does fold sphere mean?
Fold sphere means a fold mirror that is a "sphere", i.e. a spherical mirror.
What part of speech is fold sphere?
Fold sphere is a noun.

Words near fold sphere in the dictionary

  1. fold net
  2. fold nets
  3. fold one's arms
  4. fold one's tent
  5. fold out
  6. fold sphere
  7. fold under zero pressure
  8. fold up
  9. fold-down
  10. fold-out
  11. fold-outs

Source and license

Adapted from Wiktionary: fold sphere (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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