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Lid or LID may refer to:

Science and technology[edit]


  • 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

See also[edit]