Glossary L
Deutsch: Lithium / Español: Litio / Português: Lítio / Français: Lithium / Italiano: Litio
Lithium is a chemical element with symbol Li and atomic number 3. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements. Under standard conditions it is the lightest metal and the least dense solid element. Like all alkali metals, lithium is highly reactive and flammable. For this reason, it is typically stored in mineral oil.
Deutsch: Laser / Español: Láser / Português: Laser / Français: Laser / Italiano: Laser
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term "laser" originated as an acronym for Light Amplification by Stimulated Emission of Radiation.
Deutsch: Brief / Português: Letra / Français: Lettre / Italiano: Lettera
"Letter" refers to a written communication between individuals or organizations, typically used for formal or professional purposes. This can include correspondence such as business letters, memos, and reports.
Deutsch: Lampe / Português: Lâmpada / Français: Lampos / Italiano: LAMP
"Lamp" refers to a device that produces light, usually by passing an electric current through a filament or through a gas discharge. Lamps can be used for various purposes, including illumination, heating, sterilization, and signaling.