touchless

American  

[tuhch-lis] / ˈtʌtʃ lɪs /

adjective

1. relating to or noting a device that begins to operate when it senses a person’s motion or presence, without needing to be touched.

   Put your pot or your hands under the touchless faucet and the water will turn on.

2. contactless.

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touchless British  

/ ˈtʌtʃlɪs /

adjective

1. describing an electronic device which can be controlled by gesture or sound and does not require the user to touch a keypad, screen, etc

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Etymology

Origin of touchless

First recorded in 1610–20 in the sense “having no sense of touch,” and in 1925–30 for current senses; touch ( def. ) + -less ( def. )