English Expression · Intermediate
ruling grade
Synonym of ruling gradient
Pronunciation: say ruling grade
Meaning
The maximum gradient on a railway line, which determines the maximum load a locomotive can haul over that section.
Example
Homemade No. 6187 climbs the .51 per cent ruling grade west from Fort Wayne, Ind., with 68 cars behind her tender.
Homemade No. 6187 climbs the .51 per cent ruling grade west from Fort Wayne, Ind., with 68 cars behind her tender.
Practice tips
- Practice ruling grade out loud — read the pronunciation guide above and repeat.
- Use it in your own sentence today; reuse beats rereading.
- Pay attention to context: this English expression is for intermediate-level learners.