The study of user interfaces that use the sense of touch.(noun)
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Use "haptics" in a sentence
"There are two aspects of writing; one is the visual aspect and the other is the perception and motor aspect, otherwise known as "haptics.""
"Samsung Instinct, exclusively available from Sprint, has a high-tech look with a large, vibrant touch screen featuring localized tactile feedback, called haptics, which allow the virtual QWERTY keypad and other operations to become a sensory experience."
"Large, advanced, touch sensitive 3-inch LCD display (240 x 400 Pixels, 262K color) offering responsive feedback called haptics"