Englishfor English speakers
main
Adjective
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The main thing is the most important or biggest one.
They turned off the main road and saw a small house.
There are many problems, but the main one is money.
what was the main reason for war in Europe in 1914?
main
Noun
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A main is a large pipe or wire that carries gas, water, electricity, etc.
A break in a water main has closed the road.
access
Noun
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If you have access to something, you can use it, look at it, enter it, etc.
As a student, you have access to all our facilities including the library and computers.
We will seek to provide greater access to personal records held by government.
access
Verb
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If you access something, you get information from it, usually using a computer.
The product enables multiple systems to access a single database.
Users of PCs can access images from the photo CDs using any CD-ROM input device.