Tactile has to do with the sense of touch. There's a huge tactile difference between smooth glass and rough sandpaper.

Anything to do with touch can be described as tactile. Ever notice how a dog would rather sleep on a soft blanket than a rubbery leather couch? That's because dogs have tactile preferences: the softer the better. Different textures of food are tactile — they feel different in your mouth, aside from how they taste. You deal with the world of tactile things every day — you use your tactile sense whenever you touch anything.

Definitions of tactile

adj of or relating to or proceeding from the sense of touch

“a tactile reflex”
haptic, tactual

adj producing a sensation of touch

tactile qualities”
tangible, touchable
perceptible by the senses especially the sense of touch

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