• noun
• synonym
• antonym

• verb
• synonym
• antonym

• light source (noun)
  1. any device serving as a source of illumination
• open source (adjective)
  1. open source software is provided free, and includes the language the program is written in, so that the people who use it can make changes to the software
• open-source (adjective)
  1. computing of or relating to or being computer software for which the source code is freely available
• passive source (noun)
  1. an informant who is not assigned to obtain specific intelligence but who routinely passes on whatever information he or she has
• point source (noun)
  1. especially of radiation or pollution a concentrated source that is spatially constricted
• primary source (noun)
  1. a document, book etc that contains information that has been obtained by people's experiences and not taken from other documents, books etc [↪  secondary source]
• quasi-stellar radio source (noun)
  1. a starlike object that may send out radio waves and other forms of energy; many have large red shifts
• radio source (noun)
  1. an object that radiates radio waves
• secondary source (noun)
  1. a book, article etc that ANALYSE s something such as a piece of literature or a historical event and that can be used to support your ideas in an ESSAY
• source book (noun)
  1. a collection of historically important documents published together as a book
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