Meanings
- alternativeAlternative spelling of subsurface.
The next two stages of new signalling equipment went live on London Underground's sub-surface lines at the beginning of September.
2019 October, “Edgware Rd cabin closes”, in Modern Railways, page 22
Cite this entry
sub-surface. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sub-surface
“sub-surface.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sub-surface. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “sub-surface,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sub-surface.
Source: sub-surface on Wiktionary, CC BY-SA 4.0.