L1

plural L1s

1. A mother tongue; someone's native language; own language.

   This advantage was pertinent in the Hong Kong context where English is largely an L2 language, although would not be expected to be as large in an L1 context.

   2017, Di Zou, James Lambert, “Feedback methods for student voice in the digital age”, in British Journal of Educational Technology, volume 48, number 5, page 1085

1. abbreviationastrophysicsAbbreviation of Lagrange point 1, located between the larger and smaller objects along a line connecting the two.

1. Short for first level in various contexts.
   1. uncountablecomputingThe first-level cache of a processor, closer to the processor than the second-level cache.

      Writing of the L1 is performed one cache line at a time and can be 64 bytes or 32 bytes.

      2009, Sandeep Koranne, Practical Computing on the Cell Broadband Engine, →ISBN, page 22

   2. uncountablecomputingThe physical layer in the seven-layer OSI network model.