Technical term used in engineering, medicine, and design to describe the ability to move or be moved. Often refers to mechanical joints, prosthetics, or movable parts.
The mobility of this robot arm is very high.
Research is progressing to improve the mobility of prosthetic hands.
機動性 emphasizes maneuverability and rapid movement, often in military or tactical contexts, while 可動性 is a broader term for the ability to move.
Compound of 可動 (movable) and 性 (-ity, -ness), forming a technical term for 'mobility'. The exact historical derivation is uncertain, but the word follows a common pattern in modern technical Japanese.