Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun algebraic geometry The direction aligned with the z-axis of a coordinate system.

Etymologies

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Examples

  • Similarly, observer O sees an airplane moving at velocity in the x-direction, in the y-direction, and in the z-direction.

    Relativity: Newtonian relativity « Skulls in the Stars 2008

  • Let the system consist of a pair of photons 1 and 2 propagating in the z-direction.

    Bell's Theorem Shimony, Abner 2009

  • If the L-particle starts to spin ˜up™ (˜down™) in the z-direction, the R-particle will start to spin

    Action at a Distance in Quantum Mechanics Berkovitz, Joseph 2007

  • All the L-particles that are emitted above the center plane aligned orthogonally to the z-direction, like the L-particles 1-3, will be disposed to spin ˜up™; and all the particles that are emitted below this plane, like the L-particles 4-6, will be disposed to spin ˜down.™

    Action at a Distance in Quantum Mechanics Berkovitz, Joseph 2007

  • Then, either the L-particle spins ˜up™ and the R-particle spins ˜down™ in the z-direction, or the L-particle spins ˜down™ and the R-particle spins

    Action at a Distance in Quantum Mechanics Berkovitz, Joseph 2007

  • Only during the R-measurement, the spin and the position of the R-particle get correlated and the R-particle's trajectory along the z-direction is dictated by the value of its (intrinsic) z-spin.

    Action at a Distance in Quantum Mechanics Berkovitz, Joseph 2007

  • The z-direction is assumed to be aligned with the beam direction.

    Accelerators and Nobel Laureates 2001

  • The z-direction build speed for the HD mode is about 0.25 in/hr, while the UHD mode builds at 0.1 in/hr, Byrum reports.

    Engineering Hardware-Software 2010

  • The ProJet HD also has the ability to stack different parts within the z-direction.

    Engineering Hardware-Software 2010

  • It lacks the UHD resolution and the ability to stack parts in the z-direction.

    Engineering Hardware-Software 2010

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