n.[U]

1. （思想、感情、活動等的）強烈；極度
   The poem showed great intensity of feeling.

   這首詩表現出強烈的感情。

2. （電、熱、光、聲等的）強度，烈度
   the intensity of the light

   光的強度

3. 色飽和度

n.

1. the quality of being intense.
2. chiefly Physics  the measurable amount of a property.