en HLL

HLL can have several meanings:

High-level programming language, abbreviated to High-level Language.
HLL Lifecare Limited (formerly Hindustan Latex Limited), an Indian Public Sector Undertaking
Horo Records hll jazz series, e.g. hll 101-4
Horizontal Life Line, used for fall arrest
HyperLogLog, algorithm for the count-distinct problem
Hell Let Loose, multiplayer WWII first-person shooter video game

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