A number of relevant resources are available on the following webpages:

App version of the Dictionary
The “Y Termiadur Addysg” is available within the “Ap Geiriaduron” app, which provides a convenient interface for searching the dictionary on your mobile device even when an internet connection is not available.
Click here to visit the page.

A number of term lists are also available as ebooks, a format suitable for browsing on your e-reader, mobile phone or tablet.
Click here to visit the page.