Knowledge center. Chickenpox (Chicken Pox) , also known as Varicella, is a very contagious infection caused by the varicella zoster virus. In several parts of the world it is just known as varicella. Patients develop a blister-like rash, which first appears on the face and trunk, and then spreads throughout the body.
Etymology[edit] Latin. See mode. modus â(plural modi) (law, obsolete) The arrangement of, or mode of expressing, the terms of a contract or conveyance.
Rate this answer: M>O: abbrev for modus operandi.meaning the manner in which a criminal works or operates.modus meaning way,manner or in the manner of; and operandi from operarius meaning working. Answer by ladyd. Submitted on 7/21/2004.