Certain dictionaries are considered Premium Content.
The Premium Content is a collaboration between Babylon Software LTD. and world renowned publishers (such as Oxford, Britannica, Merriam-Webster, Duden, Langenscheidt, Pons, and many more). These resources enhance your results, maximize accuracy and open you to an even greater array of information.
Premium Content dictionaries have a 7 day trial period from activation (first result received from each dictionary)
After the trial period has ended, you have the option to purchase a license to results from that premium dictionary, or keep using the free dictionaries only.