source
noun OPAL WOPAL S
  /sɔːs/
  /sɔːrs/
Idioms - a place, person or thing that you get something from
- renewable energy sources
 - These fish are widely used as a food source.
 - source of something Your local library will be a useful source of information.
 - What is their main source of income?
 - Tourism is a major source of revenue for the area.
 - The tiny window was the only source of light.
 - from a source Funding came from a wide variety of sources.
 
Extra Examples- Do you have any foreign sources of income?
 - Do you know the source of this rumour/rumor?
 - The government hopes to tap new sources of employment in the area of health.
 - The only source of light was the fire.
 - The town obtains all its energy from renewable sources.
 - These crustaceans provide a valuable food source for some fish.
 - We need to look for alternative sources of energy.
 - We tried to locate the source of the sound.
 - a cheap source of labour
 - a fertile source of ideas
 - a lucrative source of income
 - a reliable source of advice
 - a rich source of vitamins
 - a source of energy/food/light
 - an independent source of funding
 - to develop new sources of revenue
 - We need to obtain more energy from renewable sources.
 - The press room was a valuable source of information for journalists.
 
Oxford Collocations Dictionaryadjective- excellent
 - fertile
 - good
 - …
 
- be
 - constitute
 - prove
 - …
 
- at source
 - source of
 
- a variety of sources
 
 - [usually plural] a person, book or document that provides information, especially for study, a piece of written work or news
- He refused to name his sources.
 - Government sources indicated yesterday that cuts may have to be made.
 - Intelligence sources say they now believe he is dead.
 - from a source This information comes from a very reliable source.
 - according to a source According to industry sources, these prices are likely to rise.
 - Proper attribution of source material is extremely important.
 
Extra ExamplesTopics TV, radio and newsb1- Government sources indicated that a compromise might be reached.
 - Intelligence sources report a build-up of troops just inside the border.
 - One source said: ‘We are angry at the way we have been treated.’
 - Researchers try to quote primary sources wherever possible.
 - Sources close to the player claim he won't be entering this year's championship.
 - The evidence is corroborated by multiple sources.
 - The police refused to reveal the source of their information.
 - his refusal to reveal the identity of a confidential source
 - The census constitutes the principal source of official statistics.
 
Oxford Collocations Dictionaryadjective- invaluable
 - useful
 - valuable
 - …
 
- use (as)
 - cite
 - quote
 - …
 
- claim something
 - describe something
 - disclose something
 - …
 
- material
 
- according to sources
 - source of
 
- sources close to somebody
 
 - source (of something) a person or thing that causes or provides something
- The Irish landscape has long been a source of inspiration to artists.
 - Sporting success is a great source of national pride.
 - a potential source of conflict
 - a constant source of irritation
 
 - the place where a river or stream starts
enlarge image- the source of the Nile
 
WordfinderTopics Geographyb2- bend
 - course
 - current
 - dam
 - downstream
 - estuary
 - river
 - source
 - tributary
 - waterfall
 
 
Word Originlate Middle English: from Old French sours(e), past participle of sourdre ‘to rise’, from Latin surgere.
Idioms 
at source 
- at the place or the point that something comes from or begins
- Is your salary taxed at source (= by your employer)?
 - It is better to deal with such problems at source.
 - Under the PAYE system, employees' income is taxed at source.
 
 
