Definition

1. Conjunction:
   • That is / i.e. / namely: Used to introduce an explanation, clarification, or restatement of what has just been said. It signals that what follows is equivalent to or defines the preceding statement.

Usage Examples

• Conjunction:
  • "Điều khoản này, tức thị điều khoản số 5, rất quan trọng." (This clause, that is clause number 5, is very important.)
  • "Anh ấy là một bác sĩ nội trú, tức thị một bác sĩ đang trong giai đoạn đào tạo chuyên khoa." (He is a resident doctor, i.e., a doctor in a period of specialist training.)

Advanced Usage

• Formal and Literary Use: "Tức thị" is primarily used in formal, academic, or literary contexts. In everyday spoken Vietnamese, "tức là" is far more common.
  • "Quyết định cuối cùng thuộc về hội đồng, tức thị năm vị giáo sư." (The final decision belongs to the council, namely the five professors.)

Variants and Related Words

• Tức là (conj): That is, i.e., in other words. This is the standard and more frequently used synonym for "tức thị".
  • "Cô ấy là dân tộc Kinh, tức là người Việt chiếm đa số." (She is of the Kinh ethnicity, that is the majority Vietnamese people.)

Synonyms

• That is to say: Used to introduce a more precise explanation.
• Namely: Used when specifying something explicitly.
• In other words: Used to express something in a different way for clarity.
• i.e. (id est): The Latin abbreviation for "that is".

Notes on Usage

• Register: "Tức thị" carries a formal, slightly archaic, or scholarly tone. It is often found in legal documents, classical literature, or formal speeches.
• Function: It functions solely as a conjunction to connect two equivalent ideas, where the second part explains the first. It does not indicate cause ("because") or time ("immediately").