power shovel

Thân thiện

A construction worker operates a large power shovel at a building site.

Definition

Noun: A power shovel is a large, motorized machine used for digging and moving substantial amounts of earth, rock, or other materials. It typically features a boom, a dipper stick, and a bucket controlled by cables or hydraulics.

Usage

The term "power shovel" refers specifically to the excavating machine itself. It is used in contexts like construction, mining, and large-scale earthmoving projects. * The construction crew used a power shovel to dig the foundation for the new building. * Before modern hydraulic excavators became common, the power shovel was a staple on large construction sites.

Advanced Usage

• The term can be used generically for large digging machines, though it often specifically describes cable-operated machines, distinguishing them from more modern hydraulic excavators.
  • The museum's collection includes a vintage power shovel from the early 20th century.

Variants and Related Words

• Steam shovel (n): An early type of power shovel that was powered by a steam engine.
  • The Panama Canal was built using massive steam shovels.
• Excavator (n): A broader modern term that includes both traditional power shovels and hydraulic excavators.
• Digger (n): A more general, informal term for any digging machine.

Synonyms

• Excavator
• Digger
• Mechanical shovel

Related Phrases

• To operate a power shovel: To control and work the machine.
  • He is trained to operate a power shovel safely and efficiently.

Học thuật

Noun

1. a machine for excavating

Từ đồng nghĩa

• excavator
• digger
• shovel