L2

L2 , L 2 or L-2 stands for:

• Pekoltia sp. L 2, abbreviation for not described South American catfish of the genus Loricariidae
• the second lumbar vertebra of the lumbar spine
• the L2 dermatome, see dermatome (anatomy)
• a Lagrange point
• a former naval airship with hull number LZ 18
• L2 (operating system)
• Haplogroup L2 in chromosomes
• on the main processor of a computer for the level 2 cache, see Cache # Processor Cache
• the Hilbert space in mathematics, see Lp space # The Hilbert space L2 ${\displaystyle L^{2}}$
  • a special case of this in the notation , see sequence space ${\displaystyle \ell ^{2}}$
• in computer networks layer 2 in the OSI model
• the US cargo airline Lynden Air Cargo (IATA short name)
• Second language in linguistics
• Abbreviation for the MMORP game Lineage II
• the second outer conductor in electrical engineering
• Teacher training type 2, see teacher training # Career training with university studies
• Junkers L 2 , a German aircraft engine

See also:

• LII
• L 2

This is a disambiguation page for differentiating between several terms identified with the same word.