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The Collaborative International Dictionary
Capstone

Capstone \Cap"stone`\, n. (Paleon.) A fossil echinus of the genus Cannulus; -- so called from its supposed resemblance to a cap.

Douglas Harper's Etymology Dictionary
capstone

also cap-stone, topmost stone in a construction, 1680s, from cap + stone (n.). Earliest use is figurative.

Wiktionary
capstone

n. 1 Any of the stones making up the top layer of a wall; a coping stone 2 A crowning achievement, culmination or finishing touch

WordNet
capstone
  1. n. a final touch; a crowning achievement; a culmination [syn: finishing touch, copestone]

  2. a stone that forms the top of wall or building [syn: copestone, coping stone, stretcher]

Wikipedia
Capstone

Capstone may refer to:

  • Coping (architecture), one of the finishing or protective stones that form the top of an exterior masonry wall or building
  • Capstone (cryptography), a US government project about cryptographic standards
  • Capstone Military Leadership Program, a professional military training course for U.S. generals and admirals
  • Capstone Software, a producer of computer games
  • The Capstone, a nickname for the University of Alabama campus
  • Capstone Turbine, a microturbine manufacturer
  • Capstone Partners, an investment banking firm
  • Capstone Publishers, a publisher of children's educational books
  • Capstone Farm Country Park, a former farmland now nature reserve and park, near Gillingham, Kent, United Kingdom
  • Capstone Records, an American classical music record label
  • Capstone Units, final units of tertiary study
  • Capstone course, in education
Capstone (cryptography)

Capstone is the name of a United States government long-term project to develop cryptography standards for public and government use. Capstone was driven by the NIST and the NSA; the project began in 1993. The initiative involved four standard algorithms: a data encryption algorithm called Skipjack, along with the Clipper chip that included the Skipjack algorithm, a digital signature algorithm, DSA, a hash function, SHA-1, and a key exchange protocol. Capstone's first implementation was in the Fortezza PCMCIA card.

The initiative encountered massive resistance from the cryptographic community, and eventually the US government abandoned the effort. The main reasons for this resistance were concerns about Skipjack's design, which was classified, and the use of key escrow in the Clipper chip.

Usage examples of "capstone".

The capstone, which was called Ariel by the priests and Levites, was 21 feet square and, like the stone immediately below it, was 7 feet thick.

But whereas most of the churches built during the past century are gimcrack affairs of brick veneered with imitation stone, of lattice work plastered to look like masonry, this vast essay in eccentric dreariness was realized, from crypt to capstone, in the solidest of granite.

The slaves now used oak levers to raise one end of the capstone and Saban shoved a long timber underneath it, crosswise to the timbers in the bottom layer.

From Aldgate to the Brompton Road, locked lines of grumbling traffic edged along their routes in rackety crawls of a few feet at a time, and subsided again into jammed immobility with a ceaseless belching of blue smoke and mephitic fumesan unforgettable procession of tribute to the singular genius of the authorities who had organized enormous gangs of workmen to dig up roads and excavate new and superfluous Underground stations at every point where their activities could set a capstone on the paralytic confusion.

Within stood the taller horseshoe shape, five great double uprights with capstones, and the scores of smaller bluestones.

Great pillars, now weathered into grotesque forms of their original selves, had been arranged by someone into a circular shape perhaps twelve meters across the arc, then sunk deep into the existing rock, and had been joined by capstones at one time.

Not all the pillars still stood, and only two or three capstones, but the original look of the place was clear.

Catwoman drew her legs up onto the capstones, then dared a glance over her shoulder.

When she was satisfied that she had the drop on both Batman and Eddie Lobb, she sat cross-legged on the capstones and popped open a can of tuna fish.

The bodies of the distant monuments are still cloaked in darkness but the first hint of the rising sun lights up their capstones with an astral glimmer .

A stronger, but less obvious, line of chaos runs from ward to ward through the cupridium cables within the white ceramic casings set under the capstones of the wall, cables that link each cube with the next.

The biggest problem is keeping the drains clear so that the rains don't erode the roadway on which the capstones are placed.

He lifted his head a little and looked between two of the capstones and swore softly as he recognised Robson and Tyson.

One of the capstones was missing and the one next to it pulled out of line, the elongated print of wet fingers showing where the assassin had lost a precarious grip.

The pillars of the henge gleam in the sun, the capstones black and dead.