n. 1. A number or symbol multiplied with a variable or an unknown quantity in an algebraic term, as 4 in the term 4 x, or x in the term x (a + b). 2. A numerical measure of a physical or chemical property that is constant for a system under specified conditions, such as the coefficient of friction.
This article is about the original 1967â1975 television series. For the remake, see Ironside (2013 TV series) . Ironside is a Universal television series that ran on NBC from September 14, 1967, to January 16, 1975. The show starred Raymond Burr as a paraplegic Chief of Detectives, Robert T. Ironside. The character debuted on March 28, 1967, in a TV movie called A Man Called Ironside. When the show was broadcast in the United Kingdom, it was initially under that same title.
In Europe, the Iron Age may be defined as including the last stages of the prehistoric period and the first of the proto-historic periods. Iron working was introduced to Europe in the late 11th century BC, probably from the Caucasus, and slowly spread northwards and westwards over the succeeding 500 years.