surface contact
noun
1Contact between two surfaces.
2 Engineering used attributive with reference to a system of electric traction in which the current is conveyed to a vehicle through conductors on the surface of the roadway which become live only when the vehicle passes over them (now historical ).
Origin
Mid 19th century.
- close but no cigar
- close by
- close call
- close-caption
- close-coupled
- close-cropped
- closed
- closed book
- closed caption
- closed chain
- closed-circuit television
- closed communion
- closed compound
- closed couplet
- closed-door
- closed-end
- closed-in
- close-down
- close down (or close something down)
- closed season
- closed shop
- closed syllable
- closed traverse
- closed universe
- close encounter