Periods and Movements

Look up period in Wiktionary, the free dictionary.

Look up periodic in Wiktionary, the free dictionary.

Period and periodic may refer to:

• Period (music)
• Period (rhetoric)
• Historical period
• Menstrual cycle, relating to the reproductive system
• full stop, also known as a period, that marks the end of a sentence

Science and Mathematics:

• Orbital period, in astronomy
• Periodic table, in chemistry
• Periodic table period, in chemistry
• Periodic acid, in chemistry
• Geologic period, in geology

In mathematics,

• • Periodic function
  • Recurring decimal
  • In a group, the period of an element a is the smallest integer n such that aⁿ = e, the identity.
• In physics, a period is an interval of time between the recurrence of phases in a vibration, etc.

Look up movement in Wiktionary, the free dictionary

The term Movement has a variety of different meanings related to motion:

• Physical movement between points in space ("A to B"). The amount of movement is called distance. Together with a direction you have a displacement. The rate of movement is the speed. Again, with the direction, you get the velocity. Active movement is called locomotion. See also under motion and transport.
• In biology movement refers to both intracellular movement and the movement of the organism or its parts and organs (See animal movement {floating, swimming, walking, flying,...} and plant movement {tropisms are movements in response to stimuli coming from one direction; geotropism, for example, is the response to gravity, while nastic movements are movements independent of the direction of stimuli; growth, developing buds, which swell, open up, and eventually fall off, are examples of nastic movements. Also, insectivorous plants move in response to the touch and chemical stimuli of captured insects.} ).
• In health care and medicine a bowel movement refers to the elimination of solid waste from the body.
• In a movie camera or projector, the term refers to the intermittent mechanism that transports the film.
• In aviation, the amount of traffic that an airport handles is described in movements per year, where one "movement" consists of a aircraft taking off or landing.
• In music, a movement is a large division of a larger composition. Symphonies are typically divided into four movements, for example, and concertos into three. Each movement has a distinct tempo and structure. Movement is also the title of New Order's 1981 debut album.
• In computer games, a movement is a special way the player can lead an alter ego through the virtual reality.
• In horology: for a clockwork, a clock, or a watch a movement is the device that is cutting time in equal portions
• In literature movement can also refer to the metrical or rhythmical properties of poetry.
• In linguistics and transformational grammar, syntactic movement refers to a process in which the deep structure of a linguistic expression is transformed to surface structure. One example of such movement is wh-movement.
• In politics, movement may refer to a political movement , e.g. the National Resistance Movement in Uganda, now simply refered to as "the Movement".
• Collected by G. I. Gurdjieff, Movements are sacred dances from Central Asian and African culture.
• Awareness Through Movement lessons are used by Feldenkrais method practitioners and students to discover new ways of using themselves with more ease, grace, and power.
• In various fields (history, sociology, culture studies) movement is the term commonly used to refer to a trend:
  • Art movement
  • Church Movement
  • Cultural movement
  • New religious movement
  • Social movement
  • The Movement in British poetry.