A53 may refer to:
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Old Indian Defence
The Old Indian Defense is a chess opening defined by the moves:
:1. d4 Nf6
:2. c4 d6
This opening is distinguished from the King's Indian Defense in that Black develops their on e7 rather than by fianchetto on g7. Mikhail Chigorin pionee ...
, Encyclopaedia of Chess Openings code
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A53 road (England)
The A53 is a primary route in the English Midlands, that runs from Buxton in Derbyshire to Shrewsbury in Shropshire.
Route of Road
The A53 begins in the centre of Buxton off the A6 road (Great Britain), A6 road, before meeting the A515 road at ...
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A53 steel
ASTM A53 is a carbon steel alloy, used as structural steel or for low-pressure plumbing. The alloy specifications are set by ASTM International, in specification ASTM A53/A53M.
A53 pipe comes in three types and two grades, A53 Type F, which ...
, a carbon steel alloy
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ARM Cortex-A53
The ARM Cortex-A53 is one of the first two central processing units implementing the ARMv8-A 64-bit instruction set designed by ARM Holdings' Cambridge design centre, along with the Cortex-A57. The Cortex-A53 is a 2-wide decode superscalar p ...
, a microprocessor
* Samsung Galaxy A53 5G, an Android smartphone
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