Definition

1. Noun:
   • Ergometer: A scientific instrument used to measure the amount of work performed or the energy expended by a subject, often during physical exercise. It is commonly used in physiology, sports science, and medicine.

Usage Examples

• Noun:
  • Các vận động viên được kiểm tra sức bền bằng cơ công kế. (Athletes had their endurance tested using an ergometer.)
  • Trong phòng thí nghiệm sinh lý học, cơ công kế là thiết bị không thể thiếu. (In the physiology laboratory, the ergometer is an indispensable device.)

Advanced Usage

• This is a highly specialized, technical term. Its usage is almost exclusively confined to academic, clinical, and professional sports contexts. It is not used in everyday conversation.

Variants and Related Words

• Máy đo công cơ học: A descriptive Vietnamese phrase meaning "mechanical work measuring machine," which is synonymous with .
• Xe đạp đo công suất / Máy chạy bộ đo công suất: These refer to specific types of ergometers: "cycle ergometer/power-measuring bike" and "treadmill ergometer."

Synonyms

• Ergometer (English loanword used in technical contexts).
• Máy đo công (General term for a work meter).

Notes on Meaning

• The word is a compound of Sino-Vietnamese roots: "cơ" (muscle, mechanical), "công" (work, as in physics), and "kế" (meter, measuring device). It precisely translates to "work meter" or "ergometer." It does not have other common meanings outside this specific technical definition.