ruling grade
noun
The steepest gradient on a given stretch of track or road.
Origin
Mid 19th century.
- kingdom
- King Edward
- king eider
- kingfish
- kingfisher
- kingfisher blue
- king-hit
- kinghood
- kingie
- King in Council
- King James Bible
- King James Version
- kingklip
- small-endian
- smallest room
- small-eyed
- small fish
- small fleabane
- small folk
- small-for-dates
- small forward
- small fruit
- small fry
- small game
- small-gang