Definition

1. Noun:
   • Approximate distance, interval, or space: "khoảng" refers to a portion of space or distance that is roughly estimated or measured.
   • Approximate period or interval of time: "khoảng" also refers to a roughly estimated or measured period of time.
   • (Mathematics) Interval: In mathematics, "khoảng" refers to a segment of a line, excluding its two endpoints.

Usage Examples

• Noun:
  • Giữa hai cây có một khoảng trống. (There is a space between the two trees.)
  • Chúng tôi sẽ gặp nhau trong khoảng một giờ nữa. (We will meet each other in about an hour.)
  • Cô ấy khoảng hai mươi lăm tuổi. (She is about twenty-five years old.)

Advanced Usage

• "trong khoảng": within the range/period of; approximately.
  • Công việc sẽ hoàn thành trong khoảng ba ngày. (The work will be completed within approximately three days.)
• "khoảng cách": distance, gap (Note: This is a compound noun listed separately).
• "vào khoảng": at around, approximately (a point in time).
  • Máy bay sẽ hạ cánh vào khoảng 9 giờ tối. (The plane will land at around 9 p.m.)

Variants and Related Words

• Khoảng chừng (adverb): approximately, roughly. A synonym often used interchangeably with "khoảng".
  • Căn phòng rộng khoảng chừng 20 mét vuông. (The room is roughly 20 square meters wide.)
• Khoảng không (noun): empty space, void (e.g., sky, outer space).
• Khoảng cách (noun): distance, gap (physical or metaphorical).

Synonyms

• Độ: degree, extent (used for measurements).
• Chừng: approximately, about (similar to "khoảng chừng").
• Cỡ: about, approximately (used for size, age, or amount).

Related Phrases (Using "khoảng" as a component)

• Ở vào khoảng: to be at/about (a certain level, age, etc.).
  • Nhiệt độ ở vào khoảng 30 độ C. (The temperature is at about 30 degrees Celsius.)
• Khoảng giữa: the middle part/period of.
  • Chúng tôi nghỉ ngơi khoảng giữa chặng đường. (We rested in the middle of the journey.)

Idioms

(Note: "Khoảng" itself is not commonly used in idiomatic expressions. Its usage is primarily functional for indicating approximation.)

noun

1. distance; interval; space; compass
   • trong khoảng một năm
     in the space of a year
2. About
   • cô ta khoảng hai mươi tuổi
     She is about twenty