Oxford Dictionary Lookup is a useful Chrome add-on developed by namnguyenhoai.info. This free tool allows users to easily look up the definitions of selected words on Oxford Learner's Dictionaries. With just a simple right-click on the selected text, users can access the "Oxford Lookup" option and instantly retrieve the meaning of the word.

One of the standout features of Oxford Dictionary Lookup is its ability to automatically close old popups. This ensures a clutter-free browsing experience by preventing multiple popups from accumulating on the screen. Additionally, the add-on provides a history feature that stores the last 15 words that have been looked up. This allows users to conveniently refer back to recently searched words without the need for repetitive searches.

Overall, Oxford Dictionary Lookup is a handy tool for anyone looking to quickly find word definitions while browsing the web. Its seamless integration with Chrome and user-friendly interface make it a valuable add-on for language enthusiasts and learners alike.