Electro-polar a. : Possessing electrical polarity; positively electrified at one end, or on one surface, and negatively at the other; -- said of a conductor.

Example:


Taxonomy
training, cyclists, runners, fitness, Polar Electro, elite runners, computer, heart rate, multisport athletes, heart, recreational athletes, cross training, better fitness, effective training, USA, Design, Perfect solution, goal-oriented.

Defination from the web:
Polar brand wristwatch heart rate monitors.