Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “expansion card”

expansion card

noun [C]     IT
a board covered with small metal electrical connections that create one or more circuits and that can be connected to the main circuit board of a computer so that it can do more things: Installing a wireless (or any other) network usually means opening your desktop PC to plug in an expansion card . → See also USB
(Definition of expansion card noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of expansion card

Word of the Day

drizzle

to pour liquid slowly over something, especially in a thin line or in small drops

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More