CR2 explained

CR2 may refer to:

CR2 battery, a dry-cell type battery commonly used in cameras
CR2, a raw image format used by Canon digital cameras
CR2, a postcode district in the CR postcode area
CR2, a collaboration of the two DJS Mike van der Viven & Ramon Zenker, known for their house single I Believe
CR2, a radio station in Hong Kong broadcast by CRHK
Crossroads Mall (Mumbai), a mall in India
Challenger 2, a British Main Battle Tank
Celebrity Rehab 2, a reality television show
CR2 (company), an Irish-based fintech company
, the sequel to the Disney Channel Original Movie Camp Rock
Chromium (II) ions
Bombardier CRJ100/200, the IATA code for the regional airliner.
Aviation Park MRT station, Singapore, station code CR2

Biological/Medical terms

Complement receptor 2, an immunological cell surface receptor for a complement component
Conserved Region 2, the second conserved region in some proteins; see Braf