Curiyo is a browser extension, available for Firefox and Chrome, that makes it easy to quickly find definitions, videos, pictures, and related reference materials for any word you select in your browser. When you're reading an article online and come across a word that you don't recognize or a word that you're just curious about, long-click on it and a pop-up box containing definitions, pictures, videos, and more will appear. The video embedded below provides a demonstration of Curiyo in action.
Applications for Education
Curiyo could be a good tool for students to have at their disposal while reading difficult passages online. The option to see pictures and videos to help students can a better understanding of new-to-them terms.