“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Agricultural and Biological Sciences130Nursing42Pharmacology, Toxicology and Pharmaceutics42Materials Science29Medicine: Internal medicine: Specialties of internal medicine: Nutritional diseases. Deficiency diseases1Technology: Home economics: Nutrition. Foods and food supply1