the steepest grade on a given stretch of track, which determines the maximum tonnage that can be hauled in a train having a given horsepower at a stated minimum speed.
- Ruling passion
noun an interest or concern that occupies a large part of someone’s time and effort
- Ruling planet
noun a planet that is said to have an influence over a particular sign of the zodiac or other sphere
adjective (facetious) 1. orderly; well-behaved; tidy
verb (used with object), rued, ruing. 1. to feel sorrow over; repent of; regret bitterly: to rue the loss of opportunities. 2. to wish that (something) had never been done, taken place, etc.: I rue the day he was born. verb (used without object), rued, ruing. 3. to feel sorrow, repentance, or regret. noun 4. […]
adjective 1. causing sorrow or pity; pitiable; deplorable: a rueful plight. 2. feeling, showing, or expressing sorrow or pity; mournful; doleful: the rueful look on her face. adjective 1. feeling or expressing sorrow or repentance: a rueful face 2. inspiring sorrow or pity