perceptible

To human eyes, these movements are barely perceptible.

In addition to the acoustic analysis, the researchers used impulse responses to make the acoustic characteristics of the rock painting sites perceptible to the public.

Outside, there was little traffic in the cul-de-sac, meaning the boys could run around carefree with little perceptible danger.

“Stockton made a very conscious and astute effort to maintain a perceptible culture of safety around a high risk environment.”

Medical studies suggest that changes are perceptible if they exceed 0.5 standard deviations.