Editing GCR

'''GCR''' (or '''GCRS''') may refer to:
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== Science ==
* Galactic [[cosmic ray]], a cosmic ray from outside the Solar System
* [[Geocentric Celestial Reference System]], a coordinate system for near-Earth objects like satellites
* [[Geological Conservation Review]], a procedure of the British Joint Nature Conservation Committee
* [[Global catastrophic risk]], a potential catastrophe that would affect the whole world 
* ''[[Global Competitiveness Report]]'', a yearly report published by the World Economic Forum
* [[Glucocorticoid receptor]], a cell protein which responds to glucocorticoid compounds

== Technology ==
* [[Gas-cooled reactor]], a type of nuclear reactor
* [[Ghost-canceling reference]], a television subsignal
* [[Grey component replacement]], substitution of black ink for gray ink in color printing
* [[Group coded recording]], a technique for encoding digital data on magnetic tape or disk

== Transportation ==
* GCR, ICAO code for [[Tianjin Airlines]], China
* GCR, stock symbol for [[Gaylord Container Corporation]], an American packing material manufacturer
* [[Great Central Railway]], a British railway company
** [[Great Central Railway (heritage railway)]]
** [[Great Central Railway (Nottingham)]]

== Other uses ==
* [[Glass City Rollers]], an American roller derby league
* Graduate Common Room, a [[Common Room (university)]] for postgraduate students
* [[Global Corruption Report]] by [[Transparency International]]
* [[Gray City Rebels]], a Brazilian roller derby league
* [[Green Corn Revival]], an American band
* gcr, ISO 639-3 code for the [[French Guianese Creole]] language
* ''{{lang|fr|Groupe Communiste Révolutionnaire}}'' ([[Revolutionary Communist Group (Lebanon)]]), a Lebanese Trotskyist group
{{disambiguation}}