What does ESR stand for?

And Are - Telegraphy (PCTE)

Division of Educational Systemic Reform - National Science Foundation (RCD)

Early Site Review - Nuclear energy (NRCH)

Early Storage Reserve

Earthquake Seismology Research (SAUO)

Earth Science Research (SSD)

Earth Station Remote (SAUS)

East Surrey Regiment - Military unit - British

Economic Subregion - Bureau of the Census

Eco-Socialist Review (SAUS)

Edge-Stabilized Ribbon - Photovoltaic energy systems

Editorial Status Report

Educators for Social Responsibility (EA)

Effective Search Radius (MCD)

Effective Series Resistance - Electronics (IAA)

Effective Shunt Resistance - Electronics (IAA)

Effective Signal Radiated

Effective SONAR Range - Navy (NVT)

Effective Sunrise

Egyptian State Railway (ROG)

Einstein Stoke Radius - Medicine (DMAA)

EISCAT - European Incoherent Scatter Scientific Association Svalbard Radar

Electrical Skin Resistance (LDOE)

Electrical Substitution Radiometer (SAUS)

Electric Skin Resistance - Neurology (DAVI)

Electric Sliding Roof - Automotive accessory

Electric Store Register (SAUS)

Electric Sunroof (ODA)

Electronically Scanned Radar (SAUS)

Electronic Scanning RADAR

Electronic Send/Receive

Electronic Slide Rule (WDAA)

Electronic Summary Report (SAUS)

Electronic Surface Recorder (PDAA)

Electronic Systems Reliability (MCD)

Electron Spin Resonance - Also, EPR - Physics

Electro-Slag Refined steel (SAUS)

Electroslag Refining (SAUS)

Electroslag Remelt (SAUS)

Electroslag Remelting - Steel alloy

electroslag remelting furnace (SAUS)

El Salvador - Chile - Airport symbol (OAG)

Employment Service Representative

Employment Status Recode - Bureau of the Census (GFGA)

Engineering Service Requests (MUGU)

Engineering Societies Library (SAUO)

Engineering Stop Release (SAUS)

Engineering Summary Report

Engineering Support Request (NASA)

Engineering Surveys Reproduction Ltd. (SAUO)

Environmental Resources Services (SAUO)

Environmental Science Research - Concept car - Automotive engineering

environmental surveillance report (SAUS)

Environmental System Resources - National Science Foundation (MCD)

Equipment Status Report - Air Force

Equipment Status Reporting (SAUS)

Equipment Supervisory Rack - Telecommunications (TEL)

Equivalent Series Resistance

Equivalent Series Resistor (SAUS)

Equivalent Service Rounds - A standard for indicating gun erosion

Error Search Routine (SAUS)

Erythrocyte Sedimentation Rate - Hematology

Escape Road - Hawaii - Seismograph station code, US Geological Survey (SEIS)

Espingarda - NCIC firearms make code (NCIC)

Essex Scottish Regiment of Canada - Military unit

Estimated Sedimentation Rate (SAUS)

European Security Region - Military

European Staff Requirement (SAUS)

Event Service Routine (AGLO)

Event Storage Record (SAA)

Excelsior Airlines Ltd. - Ghana - ICAO designator (FAAC)

Exchangeable Sodium Ratio (SAUS)

Executive Service Requests (MCD)

Executive Summary Requirements (MCD)

Expedite Shipping Request (MCD)

Experimental Storage Ring

Experimental Superheat Reactor

Extended Self-contained Ring (SAUS)

Extension Service Review - A publication (SAUS)

External Standard Ratio

Extrahepatic Shunt Ratio - Medicine

Grouped Communication-Electronics and Meteorological Reporting System (SAUO)

Institute of Environmental Science and Research Ltd. - Research center (RCD)

Swift Custom Boats, Kensington, NH - Manufacturer code for watercraft hull identification number (USCG)

electrical skin resistance (SAUS)

electro-slag resmelting (SAUS)