L1
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English[edit]
Etymology 1[edit]
From Language 1 (“first language”).
Noun[edit]
L1 (plural L1s)
- Mother tongue; someone's native 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 (plural L1s)
- (astrophysics) first Lagrange point, located further in towards the primary of a system where a smaller object orbits a larger one, in front of the smaller object, inline with a line drawn through the centres of the larger and smaller objects
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.