Prior is a title, derived from the Latin adjective for 'earlier, first', with several notable uses.

A prior probability is a marginal probability, interpreted as a description of what is known about a variable in the absence of some evidence. The posterior probability is then the ...

Prior motorized stages in particular are leaders in the field and are supplied to leading microscope manufacturers world-wide. In addition, we have successfully developed many ...

Prior Snowboards in Whistler, BC, Canada, designs and builds a full line of premium handcrafted snowboards. All Prior boards are available online at priorsnowboards.com.

adjective . 1. preceding in time or in order; earlier or former; previous: A prior agreement prevents me from accepting this. 2. preceding in importance or privilege.