moldboard
Học thuậtThân thiện
Definition
Noun: 1. The curved plate on a plow: A "moldboard" is the curved, often metal, part of a plowshare that lifts, turns, and inverts the soil slice (the furrow slice) cut by the plow's coulter and share. Its primary function is to turn over the soil to prepare it for planting.
Usage
The term "moldboard" is a technical, agricultural term. It is used specifically to describe a key component of traditional and modern plows. It is almost always used in the context of farming, soil preparation, and agricultural machinery.
Examples
- Noun:
- The farmer adjusted the angle of the moldboard to achieve a deeper furrow.
- A well-designed moldboard efficiently turns the soil, burying weeds and crop residue.
Advanced Usage
- "Moldboard plow": This is a common compound term for the complete implement. The "moldboard" is the defining component that gives this type of plow its name and function.
- The moldboard plow revolutionized agriculture by allowing for more effective soil turnover.
Variants and Related Words
- Mouldboard: This is an alternative, chiefly British English spelling of "moldboard".
- Plowshare (or Share): The sharp, forward-cutting part of the plow that slices the soil horizontally. The moldboard is attached behind it to turn the slice.
- Coulter: A vertical disc or blade mounted ahead of the plowshare to cut the soil line.
Synonyms
- Turnplow blade (less common, descriptive)
- Soil-turning plate (descriptive)
Related Phrases/Idioms
There are no common idioms or phrasal verbs specifically for the isolated word "moldboard". Its usage is strictly technical.
Noun
- wedge formed by the curved part of a steel plow blade that turns the furrow