Since we live in a fast paced society and technology is developing more and more each day. Dictionaries are also changing in this way,people want to get information fast and therefore they use online dictionaries.
Online dictionaries are the replacement of book dictionaries. You type the word you are serching for and you instantly find the definition of the world.
AN INTERESTING WEB PAGE http://math-www.uni-paderborn.de/HTML/Dictionaries.html