Also known as: yr.
YR has various meanings in the Pharmacy category. Discover the full forms, definitions, and usage contexts of YR in Pharmacy.
Unit of time based on one revolution of Earth around Sun It has varying values depending on point of definition used, and on mode employed See Anomalistic, Bissextile, Civil, Equinoctial, Leap, Mean Solar, Sidereal, Solar, and Tropical years The year in common use is the Civil Year
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