Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: 'thick slippery liquid, poison, bad smell'


1 [uncountable and countable]HBM a very small living thing that causes infectious illnesses:
children infected with the Aids virus
2TD [countable]TD a set of instructions secretly put onto a computer or computer program, which can destroy information. When a computer that has a virus makes a connection with another computer, for example by email, the virus can make copies of itself and move to the other computer
3 [countable] a program that sends a large number of annoying messages to many people's mobile phones in an uncontrolled way
WORD FOCUS: computer WORD FOCUS: computer
people who work with computers: user, programmer, web designer, IT person, software engineer, (systems) analyst, administrator, webmaster, helpdesk, techie informal, geek disapproving informal

someone who tries to break into a computer system: hacker, cracker

things you do with your computer: start up/power up your computer
a file or document
click on
an icon
cut and paste
pieces of text
files or programs
scroll up and down
the page
things you do not want
files or pictures from the Internet
CDs or DVDs
a file or document
your work
shut down
your computer

computer problems: bug, virus, error, corrupted file/data, crash, worm

See also

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