LINK / CITE ADD TO WORD LIST. adjective. The definition of precious is something of great value or that is greatly loved. 1  An example of precious is priceless jewelry.
However, we can always point to the latest version under a particular category. The Current supported official version, which is the generally distributed and widely available latest version of Firefox, is Firefox 38.0.5. This version had an official release on June 2nd, 2015.
Update Firefox to the latest version. By default, Firefox is set to automatically update itself but you can always do a manual update. Here's how: Note: If you use your Linux distribution's packaged version of Firefox, you will need to wait for an updated package to be released to its package repository.