rotation axis

rotation axis
Crystall.
an imaginary line through a crystal about which the crystal may be rotated a specified number of degrees and be brought back to its original position. Also called axis of symmetry, symmetry axis of rotation. Cf. symmetry element.
[1900-05]

* * *


Universalium. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • rotation axis — sukimosi ašis statusas T sritis fizika atitikmenys: angl. axis of rotation; rotation axis vok. Drehachse, f; Rotationsachse, f rus. ось вращения, f pranc. axe de rotation, m …   Fizikos terminų žodynas

  • rotation axis — noun : a simple axis of symmetry in a crystal about which the whole crystal configuration is brought into coincidence with its original aspect by a rotation of one half, one third, one fourth, or one sixth of a turn about the axis * * * Crystall …   Useful english dictionary

  • crystal rotation axis — kristalo sukimosi ašis statusas T sritis fizika atitikmenys: angl. crystal rotation axis vok. Kristalldrehachse, f rus. ось вращения кристалла, f pranc. axe de rotation de cristal, m …   Fizikos terminų žodynas

  • instantaneous rotation axis — akimirkinė sukimosi ašis statusas T sritis fizika atitikmenys: angl. instantaneous rotation axis vok. momentane Rotationsachse, f rus. мгновенная ось вращения, f pranc. axe instantané de rotation, m …   Fizikos terminų žodynas

  • Rotation (mathematics) — Rotation of an object in two dimensions around a point O. In geometry and linear algebra, a rotation is a transformation in a plane or in space that describes the motion of a rigid body around a fixed point. A rotation is different from a… …   Wikipedia

  • Rotation-powered pulsar — is one of the major classes of pulsars. A Rotation powered pulsar is a rapidly rotating neutron star, whose electromagnetic radiation is observed in regularly spaced intervals, or pulses . It differs from other types of pulsars in that the source …   Wikipedia

  • Rotation matrix — In linear algebra, a rotation matrix is a matrix that is used to perform a rotation in Euclidean space. For example the matrix rotates points in the xy Cartesian plane counterclockwise through an angle θ about the origin of the Cartesian… …   Wikipedia

  • Rotation — This article is about movement of a physical body. For other uses, see Rotation (disambiguation). A polyhedron resembling a sphere rotating around an axis. A rotation is a circular movement of an object around a center (or point) of rotation. A… …   Wikipedia

  • Rotation representation (mathematics) — In geometry a rotation representation expresses the orientation of an object (or coordinate frame) relative to a coordinate reference frame. This concept extends to classical mechanics where rotational (or angular) kinematics is the science of… …   Wikipedia

  • Rotation around a fixed axis — Rotational motion can occur around more than one axis at once, and can involve phenomena such as wobbling and precession. Rotation around a fixed axis is a special case of rotational motion, which does not involve those phenomena. The kinematics… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”