& Chinese-English Dictionary oleh R. Zheng

Quickly look up a word in Chinese, English, or pinyin without leaving a page or your browser with this simple Chinese-English dictionary. Accessible with a click of a button on the toolbar.

This add-on also features a definition pop-up over text when you move your mouse cursor over the text on a webpage.

Features:

• an auto search mode (default) that will attempt to detect your input
• select the preferred writing system between traditional or simplified
• several search options are available to refine your search, such as terms beginning with, ending with, and idiom search.
• allow color customization of the displayed results to tailor to your visual preference
• automatically checks for and updates new dictionary entries from CC-CEDICT weekly or customize update schedule

Credits:
– dictionary file provided by CC-CEDICT
– radical search: HanziLookupJS
– compression utils: Pako