Definition

Noun: 1. A foreign body; an extraneous object: An object that is not naturally present in a location, especially one that has entered a living body from the outside, often causing injury, discomfort, or harm. 2. A strange or unusual object: An object that is out of place, odd, or not belonging in its current context.

Usage Examples

• Noun:
  • Bác sĩ phải phẫu thuật để lấy dị vật ra khỏi phổi bệnh nhân. (The doctor had to perform surgery to remove the foreign body from the patient's lung.)
  • Anh ấy cảm thấy đau mắt vì có dị vật bay vào. (His eye hurt because a foreign object got in.)
  • Chiếc điện thoại cổ là một dị vật hiếm thấy trong căn nhà hiện đại này. (The antique phone is a strange/out-of-place object rarely seen in this modern house.)

Advanced Usage

• Medical Context: In medicine, "dị vật" is a standard term for any object (e.g., a piece of metal, wood, glass, or food) that enters the body through wounds, inhalation, ingestion, or other orifices, potentially leading to infection, obstruction, or tissue damage.
  • Chụp X-quang cho thấy có dị vật trong dạ dày bệnh nhân. (The X-ray showed a foreign body in the patient's stomach.)
• Technical/Engineering Context: Can describe an unwanted object or contaminant within a system (e.g., in machinery, fuel, or a production line).
  • Động cơ bị hỏng do dị vật lọt vào buồng đốt. (The engine was damaged because a foreign object entered the combustion chamber.)

Variants and Related Words

• Vật thể lạ (noun phrase): A less formal synonym often used interchangeably with "dị vật," especially in news reports. It emphasizes the "strange" or "unidentified" nature of the object.
  • Người dân phát hiện một vật thể lạ rơi xuống cánh đồng. (Residents discovered a strange/unidentified object that fell onto the field.)

Synonyms

• Vật lạ (noun): Strange object.
• Dị chất (noun, more specific): Foreign substance (often chemical or biological in nature).

Related Phrases / Compound Terms

• Lấy dị vật (verb phrase): To remove/extract a foreign body.
  • Ca lấy dị vật từ đường thở của trẻ em rất phức tạp. (The procedure to remove a foreign body from a child's airway is very complex.)
• Nhiễm dị vật (verb phrase): To have a foreign body lodged/infected.
  • Vết thương có nguy cơ nhiễm dị vật nếu không được vệ sinh kỹ. (The wound is at risk of becoming contaminated with a foreign body if not cleaned thoroughly.)

noun

1. strange thing; extraneous body