Airlis SA - Spain - ICAO designator (FAAC)
Laboratory Information Systems
Laboratory Integrated System (ACAE)
Land Information System (ACAE)
Land Inventory System (SAUO)
Landsat Information System (SAUO)
Language Implementation System (IAA)
Lanthanide-Induced Shift - Spectroscopy
Lanthanide-Ion Induced Chemical Shift - Spectroscopy
LARC Instruction Simulator
Large Interactive Surface - Automated drafting table that serves as a computer input and output device
Laser Ignition System - Military
LASER Illuminator System
LASER-Induced Separation (MCD)
LASER Interferometer System
LASER Isotope Separation
Lateral Intercellular Space (PDAA)
Laughing in Silence - Common Internet slang used (TONE)
Launch Instant Selector
Laurentide Ice Sheet - Climatology
Left Intercostal Space - Cardiology
Legacy Information System - Represents massive, long-term business investment (TLAA)
Legislative Information Service - New Jersey State Legislature - Trenton - Information service or system (IID)
Legislative Information System - Illinois State Legislature (IID)
Legislative Information System - National Conference of State Legislatures - Information service or system (IID)
Lesbian Information Service (BUAC)
Libertarian Information Service - An association (EA)
Library and Information Science
Library and Information Service
Library and Information Services - Institution of Mining and Metallurgy - British - Information service or system (IID)
Library and Information Systems (SAUO)
Library Information System - Georgetown University - Information service or system
Libyan Intelligence Service (CARL)
Licensing Information Service (IID)
Licensure Information System - Public Health Service - Georgetown University Medical Center (IID)
Lightening Imaging Sensor - Space instrument (GIS)
Light Industries Services - Singapore (BUAC)
Light Industry Services (SAUO)
Lightning Imaging Sensor (CARB)
Line Information Store - Telecommunications (TEL)
Line Isolation Switch - Reactor level switch (IEEE)
Link Information Sciences (BUR)
Liposome Immunosensor - Electrochemistry
Lisbon - Portugal - Airport symbol (OAG)
Lisbon - Portugal - Seismograph station code, US Geological Survey (SEIS)
List and Index Society - British (NITA)
Lisu - Language code (ETLW)
Lisu - GeoNet three-character language code (GEON)
Lithium Diodosalicylate - Organic chemistry
Lithium Ion Storage (SAUS)
Little Bisley - NCIC firearms make code (NCIC)
LM - Lunar Module Interface Control Specification - NASA (KSC)
Load I-Bank and Jump - Computer science
Lobular in Situ - Medicine
Local Implementation Strategy (SAUO)
Local Interface Station (TIMI)
Locate in Scotland - Investment group
Locked-in Syndrome - Medicine (MELL)
Lockheed Information Systems (NITA)
Logical IP- Internet Protocol Subnet
Logistic Information System (VLIE)
Logistics Information System (SAUO)
Long Island Tender Inc., Kings Park, NY - Manufacturer code for watercraft hull identification number (USCG)
Loop Input Signal
Loss Information Service - Insurance
Low-Impact Switch (MCD)
Low Inductance Stripline (IAA)
Low-Intensity Sonication - Chemistry
Low Intermittent Suction - Medicine (MEDA)
Low Ionic Strength (DB)
Lutheran Immigration Service - Later, LIRS (EA)
Luxembourg Income Study - Economics
licensed (SAUS)
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