Ob·tu'sion noun [ Latin obtusio , from obtundere to blunt. See Obtund .] 1. The act or process of making obtuse or blunt. 2. The state of being dulled or blunted; as, the obtusion of the senses. Harvey. Found on http://www.encyclo.co.uk/webster/O/7
obtusion 1. The act or process of making obtuse or blunt. 2. The state of being dulled or blunted; such as, the obtusion of the senses and perceptions. 3. A state of diminished sensibility or consciousness. Found on http://www.wordinfo.info/words/index/info/view_unit/1434/