Pen ‧ ti ‧ um /ˈpentiəm/ BrE AmE trademark
a type of ↑ processor (=the central part of a computer that processes information and controls its operations) made by the US company ↑ Intel . Pentium processors are used in most of the world's personal computers, and there are several different types, which are described according to how fast they operate:
a PC with a Pentium 4 processor