an artificial source of visible illumination
"I turned on the lamp to see better while fixing my bike in the dark garage."
a piece of furniture holding one or more electric light bulbs
"She turned on the lamp to read by before going to bed."
A device that generates heat, light or other radiation. Especially an electric light bulb.
"The lab technician explained that they used LAMP, which stands for Loop-mediated Isothermal Amplification, to quickly detect the viral DNA in the sample without needing a thermal cycler."
Acronym of loop-mediated isothermal amplification.
In plain English: A lamp is a portable light source that uses electricity to brighten a dark area.
"She turned on the lamp to read her book in the dark room."
Usage: In everyday speech, a lamp is a portable or fixed device that emits light for illumination, such as a table lamp or floor lamp. Do not confuse this common object with the scientific acronym LAMP, which stands for loop-mediated isothermal amplification used in molecular biology.
To hit, clout, belt, wallop.
"The angry father threatened to lamp his son if he came home late again."
In plain English: To lamp someone means to hit them quickly and hard, usually with your hand or an object.
"She decided to lamp the room with bright lights before the guests arrived."
Usage: Do not use "lamp" to mean hitting someone; this usage is incorrect and stems from a common mishearing of the slang term "lampoon." The only standard meaning for "lamp" as a verb is to illuminate or shine light on something.
Acronym of Linux, Apache, MySQL, and PHP: a popular combination of open source software for use as a web server
"The new neighbor, Mr. Lamp, waved from his porch as I walked by."
A surname.
The word lamp entered Middle English from the Old French lampe, which borrowed it from Latin and ultimately Ancient Greek. It originally referred to a torch or beacon before being adopted into English, replacing an earlier native term for light source.