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.
The word ending -rrhexis from Gr. rhexis, breaking, means a bursting, a rupture, a breaking. [amniorrhexis, lit. amniotic (membrane) bursting, anarrhexis, lit. breaking again, hepatorrhexis, lit. liver rupture, rhexis, lit. bursting or rupture condition] [] (rel. to rhagadi-, -rrhag-, rhegma-) Here's a mnemonic to remember its meaning: rhex-, -rrhexis You're Sid from the movie Toy Story and you're watching the slow motion film of a Tryannosaurus Rex (rhex-, -rrhexis) as it's beginning to fracture, then rupture, and finally burst apart. It's cool to watch what a cherry bomb will do to a plastic toy.