Postdoc/ˈpəʊstdɑːk/ Definition 1 of 1Pro Tip 1/3Academic Phase Refers to a temporary, transitional period in an academic career following a PhD. After her PhD, she started a postdoc at Harvard. Pro Tip 2/3Research Intensive Emphasizes engagement in deep research, often more specialized than previous studies. His postdoc involved extensive research in astrophysics. Pro Tip 3/3Not a Job Title Used to describe the activity or status, but not an official position or job title. She's doing a postdoc in biochemistry.