đèn đất

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The Vietnamese word "đèn đất" refers to a type of lamp known as an "acetylene lamp" or "carbide lamp" in English. This lamp uses a chemical reaction between calcium carbide and water to produce acetylene gas, which is then burned to produce light.

Basic Explanation:

• Meaning: "Đèn đất" literally translates to "earth lamp," but it is commonly understood to mean a lamp that runs on acetylene gas.
• Usage: It is often used in places without electricity, like rural areas or during outdoor activities.

Example Sentence:

• "Trong những khu vực không có điện, người dân thường sử dụng đèn đất để thắp sáng vào ban đêm."
  • (In areas without electricity, people often use carbide lamps to light up at night.)

Advanced Usage:

• "Đèn đất" can also refer to historical or traditional lighting methods in Vietnamese culture, often associated with older generations who relied on these lamps before electric lighting became widespread.

Word Variants:

• While "đèn đất" is the standard term, you might also see:
  • "đèn acetylene" (acetylene lamp)
  • "đèn canxi" (calcium lamp) in some contexts.

Different Meanings:

• The term itself does not have significantly different meanings, but in a broader context, "đèn" (lamp) can refer to various types of lamps, such as electric lamps or oil lamps.

Synonyms:

• "Đèn khí" (gas lamp) can sometimes be used interchangeably, although it may refer to different types of gas lamps that do not specifically use acetylene.

Summary:

"Đèn đất" is a traditional lighting source that has historical significance in Vietnam, especially in areas lacking modern electricity.

Academic

1. Acetylen lamp, carbide lamp