Definition

1. Noun (Meteorology):
   • Isoallobar: A line on a weather map connecting points that have experienced equal change in atmospheric pressure over a specified period of time.
   • Isallobaric: Pertaining to or characterized by equal change in atmospheric pressure.

Usage Examples

• Noun:
  • Bản đồ thời tiết vẽ các đường đẳng biến áp. (The weather map plots the isoallobars.)
  • Phân tích đẳng biến áp giúp dự báo sự di chuyển của các hệ thống áp suất. (Isallobaric analysis helps forecast the movement of pressure systems.)

Advanced Usage

• "Trường đẳng biến áp" (Isallobaric field): The spatial distribution of pressure change over time.
  • Trường đẳng biến áp cho thấy áp suất đang giảm mạnh ở phía đông. (The isallobaric field shows pressure is falling rapidly in the east.)

Variants and Related Words

• Đường đẳng biến áp (n): Isoallobar (the line itself).
• Isallobaric (adj): Relating to equal pressure change. Used in technical meteorological English.
• Đẳng áp (Isobar) (n): A line connecting points of equal atmospheric pressure at a given time. (A related but distinct concept).

Synonyms

• Pressure-change contour: A descriptive synonym for an isoallobar.
• Isallobaric line: Another term for an isoallobar.

Related Concepts

• Isobar: A line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period.
• Gradient: The rate of change of pressure, which is analyzed alongside isoallobars for forecasting.