YBP en · SYM Meanings (abbreviation, alt-of, initialism) Initialism of years before present. alt of years before present Baked clay ornaments and other objects dating from 28,000 YBP have been discovered in Eastern Europe, […] 2022, Cherl-Ho Lee, Korean Food and Foodways: The Root of Health Functional Food, Springer Nature, →ISBN, page 23: Forms SpellingFeaturesLabelsSource yBP alternative lexicographic ybp alternative lexicographic Deriveds C14YBP · RCYBP · myBP Synonyms BP