lamp

The word “lamp” means a device that produces light, whether electric, oil-burning, or otherwise. In plain terms, any device — electric or otherwise — designed to give off light.

“Lamp” is pronounced LAMP (/ˈlæ̝mp/ in IPA).

Here is “lamp” used in a sentence: “She switched on the bedside lamp to read.”

“Lamp” is a noun.

The word “lamp” comes from Latin. From Old French lampe, from Latin lampas, from Greek lampas ("torch, light"), ultimately from a root meaning "to shine.".

“Lamp” is a fairly common word in modern English, usually learned at around the A2 level.

"Light" is the general word for anything that provides illumination — and for the illumination itself — while a "lamp" is a specific device made to produce light, typically with a base, a bulb, and often a shade, such as a desk lamp or floor lamp. Every lamp is a light, but ceiling fixtures, headlights, and the sun are lights you would not normally call lamps.

A lamp is a light-producing device usually designed to sit or stand in one place, while a lantern is portable, with a case protecting the flame or bulb so it can be carried or hung outdoors. Historically both burned oil, but in modern use "lantern" implies portability and an enclosed light source.

In everyday English, no — the lamp is the whole fitting and the bulb is the replaceable part that glows. In the lighting industry, however, "lamp" is the technical term for the light source itself, so a box of "LED lamps" simply contains what most people call bulbs.

Standard English uses "turn on/off" or "switch on/off" with lamps: "She turned off the lamp." "Open the lamp" is a common learner error carried over from languages that use open/close verbs for electrical devices; in English, opening a lamp would suggest physically taking it apart.