Used for counting repetitions or frequency; common in set phrases like 百度参り (visiting a shrine a hundred times).
He repeated that phrase a hundred times.
hundred degrees
Used for temperature, angles, or other degree measurements; context distinguishes from the 'times' sense.
Water boils at a hundred degrees.
hundredfold worship; hundred shrine visits
stone marker for hundred-times worship
hundred-times worship; walking back and forth a hundred times before a shrine, offering a prayer each time · visiting a place repeatedly to make a request
Compound of 百 (hundred) and 度 (times/degrees).