Englishfor English speakers
virtual
Adjective
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A virtual world, tour, address, etc. is one that is made to look like or replace a real one, usually using a computer.
He is the designer of three of the top virtual reality games.
They study educational uses of online virtual worlds.
There are vital virtual communities forming and re-forming out there on the Internet all the time.
There's no way to create virtual smell or taste.
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A virtual monopoly, certainty, disappearance, etc. is a one that is close to 100%.
Google has a virtual monopoly on web searches.
disk
Noun
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A disk is an object that is thin, flat, and circular.
A coin is a disk of metal.
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Something that looks like a disk.
Venus' disk blocked light from the Sun.
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A vinyl phonograph / gramophone record.
Turn the disk over after it has finished.
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A floppy disk.
He still uses floppy disks from 1979.
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A disc - either a CD-ROM, an audio CD, a DVD.
She burned some disks yesterday to back up the information on her computer.