Prosthetic/prɑːsˈθetɪk/ Definition 1 of 2Pro Tip 1/3Not Interchangeable Avoid confusing 'prosthetic' with 'prosthesis'. The adjective 'prosthetic' describes the nature of the item. A prosthetic arm looks very life-like. Pro Tip 2/3Emotional Context When discussing someone’s prosthetic, be respectful, as it may be a sensitive topic. He is proud of his prosthetic hand's capabilities. Pro Tip 3/3Medical Technology Refer to high-tech features using 'prosthetic' to emphasize innovation and functionality. The prosthetic eye contains an advanced camera.