artificial hand; artificial arm; prosthetic hand
Refers to a prosthetic device replacing a hand or arm. Often used in medical, rehabilitation, or technological contexts.
He lost his right hand in an accident and now uses a state-of-the-art artificial hand.
Robotics is applied to the development of prosthetic hands.
myoelectric prosthesis (arm, hand)
Compound of 義 (ぎ, 'artificial, substitute') and 手 (しゅ, 'hand'). The reading しゅ for 手 is the on'yomi, common in Sino-Japanese compounds.