The quality or state of being able to glide; the characteristic of smooth, continuous, effortless movement.
From 'glide' plus the noun-forming suffix '-ness,' following the pattern of converting adjectives or verbs into abstract nouns describing their essential quality.
Glideness is what makes certain animal movements almost hypnotic to watch—think of a stingray moving through water, where the motion is so continuous your eyes almost can't track it.
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