What does LSR stand for?

Alsair Societe - France - ICAO designator (FAAC)

Aruop - Language symbol (ETLW)

Label Switching Router

Label Switch Router (XSAL)

Laboratory for Space Research - Netherlands

Laboratory of Sensorimotor Research - National Eye Institute (RCD)

Laboratory Standards and Reference (SAUO)

Landing Ship, Rocket (NATG)

Land Sea Rescue (NASA)

Land Speed Record - Auto racing

Lanthanide Shift Reagent - Spectroscopy

Large Ship Reactor

Laser

Laser Technology - AMEX symbol

Laser Technology, Inc. - AMEX symbol (SPSG)

Last Speed Rating - of a horse

Launch Signal Responder (AAG)

Launch Site Recovery - NASA (KSC)

Launch Support Requirement - NASA (KSC)

Launch Support Room (SAUS)

League for Socialist Reconstruction - Later, IUP (EA)

Lecithin/Sphingomyelin Ratio - Medicine (DMAA)

Leelanau Scenic Railroad - Federal Railroad Administration identification code

Left Superior Rectus - Muscle - Medicine (DMAA)

Leonard's Skimmers, Jacksonville, NC - Manufacturer code for watercraft hull identification number (USCG)

Life Science Research Ltd. - British (IRUK)

Lighthouse Resources, Inc. - Vancouver Stock Exchange symbol

Light-Scattering Response - Biology

Light-Sensitive Relay

Light-Sensitive Resistor

Light Stopping Reticle

Light, Straight Run - Petroleum technology

Limited Style Run

Limited to Searches (MCD)

Limit Switch Reverse - Electronics (IAA)

LINAC Stretcher Ring - Design for an electron accelerator

Linear Seal Ring

Linear Sedimentation Rate - Geology

Line Source Range (IAA)

Lingual Skills Required - Civil service

Liquid Slip Ring

Liver/Spleen Ratio - Medicine (DMAA)

Load Shifting Resistor (MSA)

Load Storage Register

Local Service Request (TELEC)

Local Shared Resources - Computer science (IBMDP)

Local Space Rectangular - Right-handed Cartesian coordinate system (GIS)

Local Standard of Rest - Galactic science

Local Storage Register (NITA)

Local Sunrise

Location Stack Register

Locus Standi Reports - A publication (DLA)

Logical Shift Right - Computer science

Logistics Service Representatives (ACAE)

Logistics Support Requirements (NG)

Logistic Status Review

Loop Shorting Relay (MCD)

Loose Snow on Runway - NWS (FAAC)

Lost River, AK - Location identifier - FAA (FAAL)

Lovers of the Stinking Rose (EA)

Low-Speed Reader

Low Stocking Rate - Agriculture (OA)

Low-Storage Requirement - Electric vehicles

Luftschutzraum - Air-Raid Shelter - German military - World War II

Lunar Surface Rendezvous - NASA (KSC)

Lynchburg Source Reactor

Laser (VRA)