Meaning of SOURCE in English

I. source 1 S2 W1 AC /sɔːs $ sɔːrs/ BrE AmE noun [countable]

[ Date: 1300-1400 ; Language: Old French ; Origin: sourse , from sourdre 'to rise, spring out' , from Latin surgere ; ⇨ ↑ surge 1 ]

1 . a thing, place, activity etc that you get something from:

They get their money from various sources.

source of

Beans are a very good source of protein.

For me, music is a great source of enjoyment.

at source British English :

Is your pension taxed at source (=before it is paid to you) ?

2 . the cause of something, especially a problem, or the place where it starts

source of

We’ve found the source of the trouble.

The recent name change has been the source of some confusion.

3 . a person, book, or document that supplies you with information:

List all your sources at the end of your essay.

I’ve heard from reliable sources that the company is in trouble.

4 . the place where a stream or river starts ⇨ mouth

5 . technical source code

• • •



▪ a good/excellent/rich source (=a source that provides a lot of something)

Milk is a good source of calcium.

▪ a useful source

People said television was their most useful source of local information.

▪ a major/important source

The lead mines were once a major source of employment for the islanders.

▪ a great source

In times of stress, food can be a great source of comfort.

▪ the main/primary source

It started as a hobby, but now it is his main source of income.

▪ an alternative source

The university is exploring alternative funding sources.

▪ an energy source

We hope to see increased usage of renewable energy sources.

▪ a food source

Slugs attack potatoes in late summer, when other food sources are disappearing.

▪ a power source (=something that produces power)

First, you need to turn off the power source.

▪ a light source (=something that produces light)

The statue is illuminated by a hidden light source.

II. source 2 AC BrE AmE verb [transitive] technical

1 . if goods are sourced from a particular place, they are obtained from that place

source from

Fish for the restaurant is sourced daily from British ports.

locally sourced milk

2 . to find out where something can be obtained:

We might be able to source the parts.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.