Lid

Look up lid or LID in Wiktionary, the free dictionary.

Lid or LID may refer to:

Science and technology

Language Independent Datatypes (now General Purpose Datatypes), in computer science
Library Interchange Definition, file format in the Open Dylan programming language
Light-Weight Identity, a protocol for claiming a digital identity on the Internet
Lithium deuteride, a chemical used as deuterium-dense fuel in thermonuclear weapons
Local light injection and detection, in fiber optics, a method to determine fiber splice losses, especially in polarisation-maintaining fiber
League for Industrial Democracy, political party
Lewica i Demokraci (Left and Democrats), Polish political party
The ICAO code for Alidaunia Servizio Helibus, an aviation company

Local improvement district, a precursor to the rural municipality government system in Western Canada
Low-impact development (Canada/US) - the term is used in Canada and the United States to describe a land planning and engineering design approach to managing stormwater runoff.
Low-impact development (UK) - the term is used in the UK for a type of development which through its low negative environmental impact either enhances or does not significantly diminish environmental quality.

Location identifier, in aviation
Low-iodine diet, a diet low in iodine, as recommended before having a thyroid cancer screening
Latent Iron Deficiency
A poor operator; one who is inept at the practice of the practice/art in the amateur radio service (derogatory)
Live In Digger, a derogatory term used to refer to a Private in the Australian Army who has served for less than one year
In the 1960s, a "lid" was one ounce of cannabis (average price $15); by the 2000s, because of higher prices and the advent of plentiful medical marijuana, a lid came to be redefined as one-eighth of an ounce of cannabis (average price $60), while eight 2000s lids or a whole ounce averages $300
Colloquial term for capping inversion, inhibits atmospheric convection