Horsepower
(for the technically inquisitive)
Originally, a measure of the power that a horse exerts in pulling. Now, Horsepower is the rate at which work is accomplished when a weight of 33,000 pound is moved on foot in one minute or 550 pounds is moved one foot in one second!
Illustrated Dictionary of Equine Terms ©1998
Classification of Horses
(for the scientifically inquisitive ...)
- SuperKingdom Eukariota
- Kingdom Animalia (Metazoa)
- SubKingdom Deuterostomia
- Phylum Chordata (higher animals)
- SubPhylum Vertebrata
- Class Mammalia
- Subclass Theria
- Infraclass Eutheria
- Order Perissodactyla (Odd-toed hoofed mammals)
- Suborder Hippomorpha
- Family Equidae (Horses and zebras)
- Subfamily Equinae
- Tribe Equini
- Genus Equus
- Subgenus Equus
- Species caballus (Domesticated Horse)
- SubSpecies caballus (Modern Horse)
