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.
Firefox Browser. Firefox Browser is a free and open-source web browser developed for Windows, OS X, and Linux, with a mobile version for Android, by the Mozilla Corporation. Firefox uses the Gecko layout engine to render web pages, which implements current web standards.