Meanings
nounfold flat (plural fold flats)
plural fold flats
- A fold mirror that is a "flat", i.e. a plane mirror
By reflecting the incident beam off of a rotating fold flat located on the optical axis of mirror segment..., we can conveniently image a range of azimuthal positions.
2007 September, Hadjimichaela et al., “An Alignment and Integration Technique for Mirror Segment Pairs on the Constellation X Telescope”, in Proceedings of SPIE, volume 6688, →DOI, retrieved 27 Dec 2021, pages 66881D-4
Cite this entry
APA
fold flat. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/fold%20flat
MLA
“fold flat.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fold%20flat. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “fold flat,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/fold%20flat.
Source: fold flat on Wiktionary, CC BY-SA 4.0.