driver

driver driv‧er [ˈdraɪvə ǁ -ər] noun [countable]

1. a person who drives a car, bus, train etc

2. something that has an important influence on other things:

• Population growth is the biggest single driver of atmospheric pollution.

3. COMPUTING a program that controls the operation of a piece of equipment:

• The program automatically chooses the correct driver for whatever option you're configuring.

• a 32 bit ScSC driver, featuring a Solaris operating system

* * *

driver UK US /ˈdraɪvə^r/ noun [C]

► TRANSPORT someone who drives a vehicle: »

You may get nothing in an accident if the other driver is uninsured.

»

a bus/lorry/truck driver

► IT a computer program that makes it possible for a computer to use other pieces of equipment such as a printer: »

a printer driver

► something that makes other things progress, develop, or grow stronger: »

Momentum-based investing is the most prominent of the new market drivers.

an important/a key/a major driver of sth »

Service sector output is up 1.2% in the latest quarter making it, by far, the major driver of growth once more.

● be in the driver's seat — Cf. be in the driver's seat