【正确答案】：
NARROWING OF MEANING, ALSO CALLED SPECIALIZATION, IS THE OPPOSITE OF WIDENING MEANING. IT IS A PROCESS BY WHICH A WORD OF WIDE MEANING ACQUIRES A NARROWER OR SPECIALIZED SENSE. 
【题目解析】：本题考查专门化（词义缩小）的定义。词义的缩小，又称专门化，是扩大词义的对立面。它是一个过程，通过这个过程，一个意义广泛的词获得一个狭义的或专门的意义。