Definition

1. Adjective:

   • Bipolar: Relating to or having two poles or extremities. In general science and mathematics, it describes systems, coordinates, or objects characterized by two opposite poles.
   • Bipolar (Psychology/Psychiatry): Pertaining to bipolar disorder, a mental health condition characterized by extreme mood swings that include emotional highs (mania or hypomania) and lows (depression).

2. Noun (Technical):

   • Bipolar coordinates: A two-dimensional orthogonal coordinate system based on two poles.

Usage Examples

• Adjective (General):

  • Nam châm này có cấu tạo song cực. (This magnet has a bipolar structure.)
  • Hệ thống tọa độ song cực được dùng trong bài toán này. (The bipolar coordinate system is used in this problem.)

• Adjective (Psychology):

  • Rối loạn song cực cần được quản lý bởi chuyên gia y tế. (Bipolar disorder needs to be managed by a healthcare professional.)
  • Anh ấy được chẩn đoán mắc chứng song cực. (He was diagnosed with bipolar.)

Advanced Usage

• "Tọa độ song cực": A specific term in mathematics for "bipolar coordinates."
  • Bài toán được giải quyết dễ dàng hơn khi sử dụng tọa độ song cực. (The problem is solved more easily using bipolar coordinates.)

Variants and Related Words

• Cực (n): Pole, extreme.
• Lưỡng cực (adj): A synonym often used interchangeably with "song cực," especially in technical and psychological contexts.
• Rối loạn lưỡng cực / Rối loạn song cực (n): Bipolar disorder.

Synonyms

• Bipolar: Having two poles.
• Dipolar: Having two poles (used in physics).
• Manic-depressive: Relating to the psychological condition (older term).

Notes on Usage

• "Song cực" vs. "Lưỡng cực": These terms are largely synonymous in modern Vietnamese. "Lưỡng cực" might be slightly more common in formal psychological and technical contexts, but "song cực" is equally correct.
• The word is a compound of "song" (meaning double, pair) and "cực" (meaning pole). It is used directly as a loan translation of the English term "bipolar."

1. Bipolar