معنی کلمه Source

the place something comes from or starts at, or the cause of something:
a source of heat/energy/light
a heat/energy/light source
Oranges are a good source of vitamin C.
Experts are trying to track down the source of the contamination in the water supply.
We walked up the river to its source in the hills.
Money is often a source of tension and disagreements in young married couples.
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C1 someone or something that supplies information:
The journalist refused to reveal her sources (= say who had given the information to her).
According to government sources (= people in the government) many MPs are worried about this issue.
According to congressional sources (= people who work in Congress) many Representatives are worried about this issue.
Always acknowledge your sources (= say which books you have used) at the end of a paper.
at source
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at the place where something comes from:
Tax is deducted from my income at source.

More examples

The opera house is a great source of civic pride.
His main source of work had dried up, leaving him short of money.
Some alluvial deposits are a rich source of diamonds.
Engineers are endeavouring to locate the source of the problem.
He's established himself as a dependable source of information.

This is the source of his power.