Origin: Latin suffix -al
Postdoctoral has 3 different meanings across 2 categories:
a grant that funds postdoctoral study or research
"She secured a competitive postdoctoral grant to fund her three-year research project at the university."
of or relating to study or research that is done after work for the doctoral degree has been completed
"She secured a postdoctoral position at the university to further her research in quantum physics before launching an independent career."
After receiving a doctorate; especially of academic research or study beyond the level of a doctoral degree.
"She is currently working as a postdoctoral researcher at the university, where she continues to conduct advanced studies in quantum physics after earning her PhD."