| AIP | Accelerator Improvement Project (formerly ARIM) |
| ALS | Advanced Light Source (in Berkeley) |
| ANL | Argonne National Laboratory |
| APR | Annual Progress Report (to NIH) |
| APS | Advanced Photon Source (in Argonne) |
| ARPES | Angle Resolved Photoelectron Spectroscopy |
| ASD | Accelerator Systems Department (SSRL) |
| B&R | Budget & Reporting |
| BER | Biological and Environmental Research |
| BERAC | Biological and Environmental Research Advisory Committee |
| BES | Basic Energy Sciences |
| BESAC | Basic Energy Sciences Advisory Committee |
| BIS | Business Information System (SLAC) |
| BNL | Brookhaven National Laboratory |
| BL | Beam Line (or Beamline) |
| BPM | Beam Position Monitor |
| BTP | Biomedical Technology Program (previous BRTP; at NIH) |
| BTS | Booster-to-SPEAR |
| CAMAC | Computer Aided Measurement and Control |
| CCD | Charge Coupled Device |
| CDR | Conceptual Design Report |
| CE | Capital Equipment |
| CEP | Capital Equipment Project |
| CHESS | Cornell High Energy Synchrotron Source |
| CSS | Common Site Support |
| DAFS | Diffraction Anomalous Fine Structure |
| EDAX | Energy Dispersive Analysis by X-ray |
| ED&I | Engineering Design & Inspection |
| EMS | Expendables, Materials and Supplies |
| EMS&S | Expendables, Materials, Supplies and Supplies |
| EPU | Elliptically Polarizing Undulator |
| ESRD | Experimental Systems and Research Department (SSRL) |
| EXAFS | Extended X-ray Absorption Fine Structure |
| FEL | Free Electron Laser |
| FIN plan | FINancial plan from DOE headquarters -> Oakland DOE office -> SLAC |
| FTE | Full Time Equivalent |
| FTP | Field Task Proposal |
| FY | Fiscal Year (10/1/xx-9/30/xx1) |
| G&A | General & Administrative |
| GIXAFS | Grazing Incidence X-ray Absorption Fine Structure |
| GPO | Government Printing Office |
| GTF | Gun Test Facility |
| HEP | High Energy Physics |
| HOM | Higher Order Mode |
| LANL | Los Alamos National Laboratory |
| LBNL | Lawrence Berkeley National Laboratory |
| LCLS | Linac Coherent Light Source |
| LCW | Low Conductivity Water |
| LIGA | Lithographie, Galvanoformung und Abformung |
| LLNL | Lawrence Livermore National Laboratory |
| LMG | Lab Management Group |
| LOS | Lab/Office/Shop building |
| LTB | Linac-to-Booster |
| LVDT | Linear Variable Differential Transformer |
| M&S | Materials & Services |
| MAD | Multiple-Wavelength Anomalous Dispersion |
| MPS | Machine Protection System |
| MES | Molecular Environmental Science |
| MIR | Multiple Isomorphous Replacement |
| MRI | Magnetic Resonance Imaging |
| NCRR | National Center for Research Resources (at NIH) |
| NEXAFS | Near Edge Surface Extended X-ray Absorption Fine Structure |
| NIGMS | National Institute of General Medical Sciences |
| NIM | Normal Incidence Monochromator |
| NSLS | National Synchrotron Light Source (at Brookhaven) |
| OBER | Office of Biological and Environmental Research (previously OHER) |
| OE | Operating Expense |
| PEEM | Photoelectron Emission Microscopy |
| PEP | Project Execution Plan (SPEAR3) |
| PES | Photoemission Spectroscopy |
| PMCS | Project Management Controls System |
| PPS | Personnel Protection System |
| PRP | Proposal Review Panel |
| PRT | Participating Research Team |
| PX | Protein Crystallography |
| SAC | Scientific Advisory Committee (for LCLS) |
| SAS | Small Angle Scattering |
| SASE | Self-Amplified Spontaneous Emission |
| SAXS | Small Angle X-ray Scattering |
| S/C | Subcontract |
| SESAME | Synchrotron-light for Experimental Science and Applications in the Middle East |
| SEXAFS | Surface Extended X-ray Absorption Fine Structure |
| SGM | Spherical Grating Monochromator |
| SMB | Structural Molecular Biology |
| SPC | Scientific Policy Committee (SLAC) |
| SPEAR | Stanford Positron Electron Asymmetric Ring |
| SRI | Synchrotron Radiation Instrumentation Conference |
| SRS | Synchrotron Radiation Source (at Daresbury, U.K.) |
| SSRLUO | SSRL User Organization |
| SSRLUO EC | SSRL User Organization Executive Committee |
| SUNSHINE | Stanford University Short Intense Electron Source |
| TAC | Technical Advisory Committee (for LCLS) |
| TSRI | The Scripps Research Institute |
| TXRF | Total X-ray Reflection Fluorescence |
| VISA | Visible-Infrared SASE Amplifier |
| VME | Versabus Memory Extended, a 32-bit international bus standard |
| WBS | Work Breakdown Structure (for SPEAR3 project) |
| WFO | Work for Others |
| XANES | X-ray Absorption Near-Edge Structure |
| XAS | X-ray Absorption Spectroscopy |
| XMCD | X-ray Magnetic Circular Dichroism |
| XMLD | X-ray Magnetic Linear Dichroism |
| XPD | X-ray Photoelectron Diffraction |
| XPS | X-ray Photoelectron Spectroscopy |
| XRD | X-ray Diffraction |
| XRS | X-ray Spectroscopy |
| XSW | X-ray Standing Wave |
| More Resources: | |
| SLACSpeak | A Glossary and Acronym List |