See more synonyms on Thesaurus.com. noun, (used with a singular verb) 1. Biology. the science of heredity, dealing with resemblances and differences of related organisms resulting from the interaction of their genes and the environment.
Rx: A medical prescription. The symbol Rx is usually said to stand for the Latin word recipe meaning to take.. It is customarily part of the superscription (heading) of a prescription.
Recipe. In ancient times, apothecaries mixed medications by hand. Rx symbolized the Latin word for recipe, recipere.. When written, the Latin term was abbreviated and became standardized to Rx.. In common terms, it meant that the patient was to take the medication as prescribed and mixed by the apothecary.ut the exact meaning and even whether Rx are initials or symbols are debated in medical circles to this day. There are, however, some common interpretations that are generally supported by most pharmacists and doctors.