(from the article `acoustics`) The amplitude of the reverberant sound relative to the direct sound is referred to as fullness. Clarity, the opposite of fullness, is achieved by ... Found on http://www.britannica.com/eb/a-z/f/69
Full'ness noun The state of being full, or of abounding; abundance; completeness. [ Written also fulness .] « 'In thy presence is fullness of joy.'» Ps. xvi. 11. Found on http://www.encyclo.co.uk/webster/F/85