Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The part of a solid, such as a cone or pyramid, between two parallel planes cutting the solid, especially the section between the base and a plane parallel to the base.
from The Century Dictionary.
- noun A piece; particularly, a remaining piece of something of which a part is lacking, as the drum of a column.
- noun In geometry, the part of a solid next the base, left after cutting off the top part by a plane parallel to the base; or the part of any solid between two planes, which may be either parallel or inclined to each other: as, the frustum of a cone, of a pyramid, of a conoid, of a spheroid, or of a sphere.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Geom.) The part of a solid next the base, formed by cutting off the, top; or the part of any solid, as of a cone, pyramid, etc., between two planes, which may be either parallel or inclined to each other.
- noun (Arch.) One of the drums of the shaft of a column.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
cone orpyramid whosetip has beentruncated by aplane parallel to itsbase . - noun A region of a
sphere delimited by twoparallel planes .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a truncated cone or pyramid; the part that is left when a cone or pyramid is cut by a plane parallel to the base and the apical part is removed
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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"The arrival of the frustum is a significant milestone.
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The forward assembly, composed of the forward skirt, forward skirt extension and the frustum, was moved Thursday from Kennedy's Assembly Refurbishment Facility, or ARF, to the Vehicle Assembly Building for stacking operations.
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It appears to me, to make it safe NASA is working on take the Human out of the loop for Launch and Entry/Return at both ends being the earth and moon and spending billons on a frustum and rocket to get there and back.
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The frustum never had room for 6 crew, it was just an illusion put forth so the program would get support,
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The forward assembly, composed of the forward skirt, forward skirt extension and the frustum, was moved Thursday from Kennedy's Assembly Refurbishment Facility, or ARF, to the Vehicle Assembly Building for stacking operations.
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Vibrations and failure to heed the warnings by the contractor resulted in the loss of the STS-4 (IIRC) boosters when the main parachute deck fitting separation explosive bolts inadvertantly fired prematurely when the linear shaped charge used to separate the frustum (nose cone) from the booster fired and generated vibes that the decelerometers sensed as water-impact ... at 10,000 ft.!
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The forward assembly, composed of the forward skirt, forward skirt extension and the frustum, was moved Thursday from Kennedy's Assembly Refurbishment Facility, or ARF, to the Vehicle Assembly Building for stacking operations.
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Smirking, ignorant W. with lipstick in reply to a comment from frustum
Associated Press: Pet Owners Prefer McCain To "Petless" Obama 2009
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Editor's note: Last week NASA decided to implement the so called "Option 2B Active Aft Skirt Reaction Mass Actuator RMA option" with "damping and isolation at the FS frustum/US region" in order to deal with the thrust oscillation problem with the current design of the Ares 1 launch vehicle.
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What I and apparently LaVey thought was a trapezohedron -- a polyhedron with trapezoids for sides -- is actually a frustum.
Kenneth Hite's Journal princeofcairo 2007
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