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.
Barrow boy. 1 vote Vote for this answer. On a prescription the symbol Rx (or R) stands for the word Recipe, meaning (in Latin) 'to take.'. Now in pharmacological contexts like catalogs, the symbol Rx indicates that a drug or medicine is not free to buy, but has to be prescribed by a certified physician.he traditional RX symbol cannot be represented on a typewriter keyboard. It consists of an R and an X which are merged to resemble an R with an extension of the right leg of the R with a stroke across it (I hope that makes sense).