Learn Khmer Language - Online phrase book. Introduces alphabet, vowels, and grammar, and provides Khmer translations for a collection of useful phrases. - http://www.cambodia.cc/learnkhmer/
English-Khmer Dictionary - Interactive site. Enter an English word; get definitions in English and Khmer. - http://www.khmerculture.com/ek/
The Khmer Language - Khmer fonts, dictionaries, and English-Khmer dictionaries. - http://dictionary.ximplex.com/