Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The curved plate of a plow that turns over the soil.
from The Century Dictionary.
- noun The curved board or metal-plate in a plow, which turns over the furrow.
- noun In founding, the board on which the pattern for a mold is laid; a follow-board.
from the GNU version of the Collaborative International Dictionary of English.
- noun A curved plate of iron (originally of wood) back of the share of a plow, which turns over the earth in plowing.
- noun (Founding) A follow board.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A curved piece of metal on a
plow orbulldozer that clears the free dirt from the blade. - noun founding A follow board.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun wedge formed by the curved part of a steel plow blade that turns the furrow
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Then, as now, farmers used a long curved blade called a moldboard to turn over the earth, exposing nutrients and getting rid of grass, stubble and weeds on the surface.
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I do not know of such a machine in use, nor do I believe in the theory of Dr. Brainard, that the moldboard is the only plan for properly pulverizing the soil; for I am satisfied that such plan is wholly inadmissible in steam plowing in this country, for want of sufficient traction for self-propulsion, and observation has taught me that a self-propelling plow is the only steam plow our people will tolerate.
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They also produced 40 percent less gas than fields tilled with moldboard plows, which turn the dirt over onto itself.
Conventionally Plowed Farms Are Worse For The Environment AP 2011
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They also produced 40 percent less gas than fields tilled with moldboard plows, which turn the dirt over onto itself.
Conventionally Plowed Farms Are Worse For The Environment AP 2011
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Meanwhile, the moldboard plow, invented in China in the 2nd Century, did not appear in Europe until the 17th Century as an import, after which European agriculture became phenomenally more efficient.
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And a new mentality is a more significant invention than the moldboard plow or the semiconductor.
Mapping Innovation P. J. O'Rourke 2007
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And a new mentality is a more significant invention than the moldboard plow or the semiconductor.
Mapping Innovation P. J. O'Rourke 2007
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And a new mentality is a more significant invention than the moldboard plow or the semiconductor.
Mapping Innovation P. J. O'Rourke 2007
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As part-time inventors, both men made mighty contributions to humankind: Jefferson radically improved the plow when he created what is known as "the moldboard plow of least resistance," which dug into the soil with less effort; and Franklin was a bona fide scientific pioneer who proved, by capturing lightning in a bottle, that lightning and static electricity were indeed one and the same substance — a discovery that made him internationally famous.
Lazy-Ass Nation Windolf, Jim 2007
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This was impossible until the introduction of the iron, wheeled plowshare, with moldboard.
F. Europe, 461-1500 2001
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