ESR

Look up ESR in Wiktionary, the free dictionary.

ESR may refer to:

Organizations

• Institute of Environmental Science and Research, a New Zealand scientific institute
• Experiment In Self-Reliance, a homelessness organization in Winston-Salem, NC, US
• Earlham School of Religion at Earlham College in Richmond, Indiana, US
• E.S.R., Inc., a former American toy manufacturer
• ESR Technology, a UK company
• European Society of Radiology

Science

• Electron spin resonance, a technique used in chemical spectroscopy to identify unpaired electrons and free radicals
• Erythrocyte sedimentation rate, the rate at which red blood cells sediment
• Estrogen receptor, a group of proteins

Technology

• Electro-slag remelting, an alloy remelting and refining process
• Electronic Staff Record, a human resources and payroll system of the UK National Health Service
• Equivalent series resistance, the resistive parts of the impedance of certain electrical components
• Emergency sun reacquisition, an attitude control mode of the Solar and Heliospheric Observatory
• Extended-support release, software that receives official security updates for an extended period of time

Transport

• East Somerset Railway, a heritage railway in the United Kingdom
• Eastar Jet, a Korean airline by ICAO Code
• Ricardo García Posada Airport, by IATA code
• Emergency speed restriction, a British railway slow zone

People

• Eric S. Raymond (born 1957), American computer programmer, author and open source software advocate