Microchip (noun)

1. A tiny piece of semiconductor material, usually no more than a few square millimeters in size, that contains a integrated circuit.
2. A small, thin piece of silicon or other semiconductor material that contains many tiny transistors and other electronic components.

Origin:

From micro- + chip a term coined by jack kilby in 1958.

Examples:

1. A microchip is embedded in a computer's motherboard.
2. The microchip in the passport contains the holder's personal information.
3. Microchip technology has revolutionized the way we live.
4. The microchip industry is growing rapidly.
5. The animal was microchipped for identification.