Meaning of deep-level | Babel Free

Definitions

Built or occurring underground at a relatively deep level.

not-comparable

Examples

“Plans were prepared under the auspices of the L.S.W.R. by W. R. Galbraith and R. F. Church, with J. F. Greathead in consultation, for a deep-level electric line on the tube principle, 1½ miles long, from a point⟳ under the main-line terminus at Waterloo to the eastern end⟳ of Queen Victoria Street, […].”

“The deep-level Tubes required the invention of a tunnelling machine and a means of propelling trains through those tunnels that would not choke the passengers. The answer⟳ to the latter was electricity, and we have⟳ seen how electric traction had become⟳ established by the late nineteenth century.”

CEFR level