Definition

Proper noun: - A major river in Siberia: The Angara River is a significant river in southeastern Siberia, Russia. It is the only river that flows out of Lake Baikal, traveling northwest to join the Yenisei River, one of the largest river systems in the world.

Usage

The term "Angara River" is used as a specific geographical name to identify this particular river. It is typically used in contexts related to geography, hydrology, environmental science, and regional descriptions of Siberia. - The Angara River is a crucial source of hydroelectric power for the region. - Several cities, including Irkutsk, are located along the Angara River.

Advanced Usage

• "Upper Angara": Sometimes used to refer to the initial segment of the river as it leaves Lake Baikal.
• In hydrological context: The river is noted for its clear, cold water inherited from Lake Baikal and its role in the Baikal ecosystem.

Variants and Related Words

• Angara: Often used alone to refer to the river, especially in regional or informal contexts.
  • The Angara is frozen for several months each year.
• Upper Angara River: A distinct, much smaller river in the northeast of the Lake Baikal basin, which flows the lake. This is a different river from the main Angara that flows of the lake.

Synonyms

• Lower Tunguska: This is not a synonym. The Lower Tunguska is a different major tributary of the Yenisei River, located further north. Confusion can arise as both are tributaries of the Yenisei.

Key Fact

• The Angara River is the largest tributary of the Yenisei River by volume.

Noun

1. a river in southeastern Siberia that flows northwest from Lake Baikal to become a tributary of the Yenisei River