acuity   (Sound)

The acuity has 2 Senses.

• acuity, visual acuity, sharp-sightedness
• 視力, 鋭さ
• sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
• 視力

• acuteness, acuity, keenness, sharpness
• 熱心さ, 切迫, 鋭さ, 鋭敏, 聡明
• a quick and penetrating intelligence; "he argued with great acuteness"; "I admired the keenness of his mind"
• 素早く見抜く知性