ESL (disambiguation)
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ESL is a common abbreviation for English as a Second Language, see English language learning and teaching.

ESL may also refer to:

Companies

• ESL ElectroScience, a materials manufacturing company based in Pennsylvania
• ESL Incorporated, a former technology company in the United States
• ESL Music, a record label
• ESL Investments, a company founded by Edward Lampert

Technology concepts

• Electronic Shelf Label, a system used by retailers
• Electronic system level, an electronic design methodology
• Electrostatic loudspeaker, especially the ESL series of Quad Electroacoustics
• Enterprise Service Layer, a term used in service oriented architecture (SOA)
• Equivalent series inductance, a concept in electronics

Other meanings

• Estonian Sign Language
• Super League (Europe), the premier rugby league competition in Europe

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