Best Answer: Heather gave you the correct answer. It stands for jumper due to the initials PJ on the old flight logs. However, today we only use the nickname PJ and the term Pararescuemen or Pararescueman to describe us.Pararescue Jumper is defunct. Yes, PJs actually jump. All PJs are basic airborne qualified and military free fall (HALO) qualified.he J stands for Jumper as in Air Force Pararescue Jumper. The term Pararescue Jumper is a retronym of the initials 'PJ' that were used on an Air Force Form 5 (Aircrew Flight Log) to identify anyone who is onboard in order to jump from the aircraft..
Definition of VIRION. : a complete virus particle that consists of an RNA or DNA core with a protein coat sometimes with external envelopes and that is the extracellular infective form of a virus.ADVERTISEMENT. French, from viri en viral (from virus virus) + -on 2 -on.First Known Use: 1959.edical Definition of VIRION. : a complete virus particle that consists of an RNA or DNA core with a protein coat sometimes with external envelopes and that is the extracellular infective form of a virus. Britannica.com: Encyclopedia article about virion.
Viroids are a small RNA that infect plants. They are 80 times smaller than a typical virus and consisting only of a nucleic acid without a protein coat. In order to protect themselves since they do not have a protein coat they mask themselves appear to be items from the host organism's cell.here are many forms of viruses and they can do remarkably terrible things. The most common form of a virus is the Influenza virus, or even more commonly known; the flu. It can be spread as all viruses through the air, by being swallowed, or inhaled, and also through skin to skin touch.