contactless operation
nounUK /ˈkɒntæktləs ˌɒpəˈreɪʃən/
US /ˈkɑːntæktləs ˌɑːpəˈreɪʃən/
A way of doing something without touching it.
The contactless operation of the door lets you open it with a wave of your hand.
OTHER MEANINGS
2. The running of a payment system where a card or phone is tapped near a reader instead of being swiped.
The store switched to contactless operation to make checkout faster.
3. The functioning of a machine or device that is controlled without physical contact.
Engineers tested the contactless operation of the robotic arm.
4. A business or service that runs without customers needing to touch shared surfaces.
The library's contactless operation lets people pick up books safely.