American English

Definition of lamp noun from the Oxford Advanced American Dictionary



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  1. 1a device that uses electricity, oil, or gas to produce light a table/desk/bicycle, etc. lamp to switch on/turn off a lamp a streetlamp see also floor lamp, hurricane lamp, lava lamp
  2. 2an electrical device that produces rays of heat and that is used for medical or scientific purposes an infra-red/ultraviolet lamp see also sunlamp