Oak Vocabulary Extension:point and popup tooltip window.
Requirements: For Firefox
Oak Vocabulary is a Browser software developed by chenzhiyuan. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Oak Vocabulary:
BSEditor: Oak Vocabulary is Firefox Extension for check new words on the WebPage, using some online dictionaries. It supports multi-Language. current release is version 0.6.4. it was submited to Mozilla community. latest updated on