What does LY stand for?

El Al Israel Airlines - ICAO designator (AD)

Lactoalbumin-Yeastolate - Cell growth medium

Langley - Unit of sun's heat

Last Year's Model - Merchandising slang

League for Yiddish - Later, LYI (EA)

Leicestershire Yeomanry (SAUO)

Leicestershire Yeomanry (Prince Albert's Own) - British military (DMA)

Lethal Yellowing - Plant pathology

Libya - ANSI two-letter standard code (CNC)

Libya - NCIC country-territory code (NCIC)

Light Year

Light Yeomanry (SAUO)

Linear Yard (AFM)

Lithuania - Civil aircraft markings - international (PIPO)

Love Ya

Love You - Chat lingo (CHAT)

Lucifer Yellow - A dye - Organic chemistry

Lynngold Resources, Inc. - Toronto Stock Exchange symbol

Queen's Own Lowland Yeomanry - Military unit - British

Lyman - Spectrography

Libya - MARC country of publication code - Library of Congress (LCCP)

Light-Year