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.
Definition. A word, phrase, or clause that functions as an adjective or adverb to provide additional information about another word or word group (called the head). Modifiers in English include adjectives, adverbs, demonstratives, possessive determiners, prepositional phrases, degree modifiers, and intensifiers. (See Examples and Observations, below.). Modifiers that appear before the head are called premodifiers. Modifiers that appear after the head are called postmodifiers. Modifiers may be either restrictive (essential to the meaning of a sentence) or nonrestrictive (additional but not essential elements in a sentence). See Examples and Observations below. Also see: 1  Modification.