noncontact

This term is primarily used in technical, medical, and athletic contexts to describe a lack of physical intersection. In sports, it refers to activities or drills where players are prohibited from touching one another to prevent injury, contrasting with contact sports like rugby or American football.

In a technical or medical sense, it describes sensors or instruments that utilize infrared, ultrasonic, or other remote-sensing technologies. This register is highly specific and functional, emphasizing safety, hygiene, or the preservation of the subject being measured.