Free on-line dictionaries
1. A dictionary is the most important tool!
(1) How to find a good English dictionary. antimoon.com
(2) Understand the phonetic symbols antimoon.com
2. Try to use several on-line dictionaries, and you will find your favorite one.

#	Site	Phonic pronunciation	Sound pronunciation	Example phrases	Note
1	Merriam-Webster			na	simple and easy
2	Cambridge	option	na		easy
3	Encartaｮ MSN				simple and easy
4	Yahoo				simple and easy
5	American Heritageｮ Bartleby				easy
6	Dictionary.com		?		translate
7	yourdictionary.com				translate
8	thefreedictionary.com				hypertext
9	Rhymezone	na	na	na	Find rhymes, synonyms, antonyms, and more
10	wikipedia	na	na	na	encyclopedia

3. Enjoy OneLook.
It is a powerful dictionary search engine! More than 900 online dictionaries are indexed. Search a word or a phrase with OneLook Dictionary Search .
You can find words from your description (e.g. What is the highest mountain in Japan?) by the OneLook Reverse Dictionary.

Information 1. Antimoon.com provides advice and inspiration to learners of English as a second/foreign language antimoon.com