fluorescent lamp

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Explanation of "Fluorescent Lamp"

Definition: A fluorescent lamp is a type of light bulb that produces light by using electricity to excite mercury vapor inside a long tube. The inside of the tube is coated with a special material called fluorescent material. This material changes the invisible ultraviolet light created by the mercury vapor into visible light that we can see.

Advanced Usage:

In more technical discussions, you might encounter the term "fluorescence" which refers to the process of light emission by a substance that has absorbed light or other electromagnetic radiation.

Word Variants:

• Fluorescence (noun): The phenomenon of a substance emitting light.
• Fluorescent (adjective): Describing something that emits light, often used to describe bright colors or lights.

Different Meanings:

While “fluorescent lamp” specifically refers to the type of light bulb described above, the word "fluorescent" can also describe colors that appear very bright, especially under ultraviolet light (like “fluorescent green”).

Synonyms:

• Fluorescent tube
• Fluorescent light
• Neon light (though technically different, it is often used in casual conversation)

Idioms and Phrasal Verbs:

There are no specific idioms or phrasal verbs directly related to "fluorescent lamp." However, you might hear phrases like: - "Light up": To illuminate or brighten a space. - Example: "The new fluorescent lamps really light up the room!"

Summary:

A fluorescent lamp is an energy-efficient light source that is often used in various settings for its bright, clear light.

Academic

Noun

1. lamp consisting of a tube coated on the inside with a fluorescent material; mercury vapor in the tube emits ultraviolet radiation that is converted to visible radiation by the fluorescent material