Finds definition of a word by pressing Alt + Click

Desktop Assistant offers instant alt-click access to the free online dictionary.

On-line reference software for quick info on any word or phrase on your screen.

Complete talking astronomy software suite with encyclopedic reference

Gathers information on given word and gives it out in html report

Use search engines, encyclopedias, dictionary, bit torrent sites with one click

Gives you an instant reference for any word selected in any Windows program.

Free dictionary and hierarchical thesaurus of English for your desktop!

On-line reference software for quick info on any word or phrase on your screen.

a searchable glossary of medical terms from almost all medical specialties

It explains how a synchrotron works and details the innumerable applications.

Dictionary, Encyclopedia and Thesaurus add-on for Internet Explorer.

Part graphical boxing game and part trivia game. 1000 questions included.

The tcpIQ Dictionary is a handy, free dictionary which sits in your system tray.

Find information on the Internet using top search engines with one click