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.
Answer   It doesn't always mean the same thing. It depends on the manufacturer. But I think EX means Executive, Extra, or Exceeds , LX usually means Luxury, and D â¦ X means Deluxe. I have a 2001 Mazda 626 LX-V6 and LX is top-of-the line trim for Mazda.But for Honda, EX is top-of-the line trim, then LX, then DX.Hope this help!n lx is a sedan and an ex is a coupe Nope. LX and EX are simply trim lines Honda uses to identify various optional improvements from the base model. Either trim line ca â¦ n be applied to sedans or coupes, Civic or Accord. Generally, DX is the base model, LX is the mid level and EX is the luxury level.