Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “source”

See all translations

source

noun [C] uk   /sɔːs/ us    /sɔːrs/
B2 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.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. Always acknowledge your sources (= say which books you have used) at the end of an essay.at source at the place where something comes from: Tax is deducted from my income at source.
More examples

source

verb [T often passive] uk   /sɔːs/ us    /sɔːrs/
to get something from a particular place: Where possible the produce used in our restaurant is sourced locally.
(Definition of source from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of source?
Add Cambridge dictionaries to your browser to your website

More meanings of “source”

Definitions of “source” in other dictionaries

Word of the Day

hard luck story

a story or piece of information that someone tells you or writes about himself or herself, intended to make you feel feel sympathy for that person

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More