L1
English edit
Etymology 1 edit
From Language 1 (“first language”).
Noun edit
L1 (plural L1s)
- Mother tongue; someone's native language; own language.
- Coordinate term: L2
- 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:
- 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.
Translations edit
Etymology 2 edit
Noun edit
L1
- (astrophysics) Abbreviation of Lagrange point 1, located between the larger and smaller objects along a line connecting the two.
Related terms edit
- (astrophysics): Lagrange point, L2, L3, L4, L5
Etymology 3 edit
From Level 1.
Noun edit
L1 (uncountable)
- (computing) Short for first level in various contexts.
- (computing) The first-level cache of a processor, closer to the processor than the second-level cache.
- (networking) The physical layer in the seven-layer OSI network model.
- (computing) The first-level cache of a processor, closer to the processor than the second-level cache.
Usage notes edit
The first level cache is more often written as L1 cache than as L1 except when used attributively in writing meant for a technical audience.