What does LN stand for?

Background Noise Level (CAAL)

Jamahiriya Libyan Arab Airlines (SAUO)

Labionasal - lip and nose - Otorhinolaryngology (DAVI)

Lane (MCD)

Large Node (SAUS)

Large-Probe Nephelometer - NASA

LASER Nephelometry - Analytical biochemistry

Last Name - Linguistics (IEL)

Lateen - Ship's rigging (ROG)

Lateral Neuropil - Neurology

Law Notes, American Bar Association Section of General Practice - A publication (DLA)

Law Notes, London - A publication (DLA)

Leading Note - Music (ROG)

League of Nations - 1919-1946

Lebanon - NCIC country-territory code (NCIC)

Legalman - Military (DOMA)

Legal News - Canada - A publication (DLA)

Legal Notice (OICC)

Legal Notification - Ghana - A publication (DLA)

Lepista Nuda - A fungus

Lesion Number - Pathology

Liaison (AFM)

Liber Niger - Black Book - A publication (DLA)

Libyan Arab Airlines - ICAO designator (AD)

Licensed Nurse

Lien

Line (AAG)

Link Number (MHDB)

Lip Nerve

Lipoid Nephrosis (DB)

Liquid Nitrogen

Lira Nuova - Monetary unit - Italy (ROG)

Lithuanian Navigation (BUAC)

Load Number

Loan

Local National

Local Network (FOTI)

Logical Network (SAUO)

Logistics Needs (SAUO)

Lot Number

Louisville & Nashville Railroad - Federal Railroad Administration identification code

Love Notes - An association (EA)

Low Foliage Nester - Ecology

Low Noise (IAA)

Luminometer Number - Hydrocarbon fuel rating

Lupus Network (EA)

Lymph Node - Medicine

New Orleans Public Library, New Orleans, LA - Library symbol - Library of Congress (LCLS)

Northern League (Italy) - Political party (PSAP)

Norway - Civil aircraft markings - international (PIPO)

Central and Southern Line Islands - gb (Gilbert Islands) used in records cataloged after October 1978 - MARC country of publication code - Library of Congress (LCCP)

Lane (ELAL)

Line (VRA)

Logarithm (Natural) - Mathematics

North Atlantic Ocean - MARC geographic area code - Library of Congress (LCCP)

Lane (PROS)

Lanthanide - Chemical element (WGA)

Librarian (AL)

Lien (EBF)

Loan (TBD)