1. The ratio of the number of miles travelled to the number of gallons of petrol burned
   - mileage, fuel consumption rate, gas mileage [N. Amer]

Type of: ratio

• impenitent
• impenitently
• imperative
• imperative form
• imperative mood
• imperatively
• imperativeness
• imperator
• imperatorial
• imperceptibility
• imperceptible
• imperceptibly
• imperceptive
• impercipient
• imperfect
• imperfect tense
• imperfectibility
• imperfectible
• imperfection
• imperfective
• imperfective aspect
• imperfectly
• imperfectness
• imperforate
• imperforate anus