Abbreviation
- Liga de Escritores y Artistas Revolucionarios (LEAR), Mexican association of revolutionary artists and writers
- Low Energy Ion Ring (LEIR), an ion pre-accelerator of the Large Hadron Collider at CERN
- Low Energy Antiproton Ring (LEAR), the former (up to 2005) name and function of LEIR
- Rapeseed in its Low Erucic Acid Rapseed (LEAR) form
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