What does deep-level mean?
Deep-level means Built or occurring underground at a relatively deep level..
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Pronunciation varies by accent · adjective
Built or occurring underground at a relatively deep level..
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.
Use deep-level when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Deep-level means Built or occurring underground at a relatively deep level..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
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, […].
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