speed of movement

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• speed — speedful, adj. speedfully, adv. speedfulness, n. speedingly, adv. speedingness, n. speedless, adj. /speed/, n., v., sped or speeded, speeding. n. 1. rapidity in moving, going, traveling, proceeding, or performing; swiftness; celerity: the …   Universalium

• movement — noun 1 act of moving ADJECTIVE ▪ big ▪ little, slight, small, tiny ▪ The eyes of predators are highly sensitive to the slightest movement. ▪ …   Collocations dictionary

• speed — I UK [spiːd] / US [spɪd] noun Word forms speed : singular speed plural speeds *** 1) [countable/uncountable] the rate at which someone or something moves speed of: The device measures the speed and direction of the wind. top speed (= the fastest… …   English dictionary

• Speed limits in the United States — are set by each state or territory. Speed limits in the United States vary according to the type of road and land use. These speed limits do not exceed eighty miles per hour. Increments of five miles per hour are used. Additionally, these limits… …   Wikipedia

• speed — n 1 *haste, hurry, expedition, dispatch Analogous words: *celerity, legerity, alacrity: fleetness, rapidity, swiftness, quickness (see corresponding adjectives at FAST): velocity, pace, headway (see SPEED) 2 Speed, velocity, momentum, impetus,… …   New Dictionary of Synonyms

• speed — [spēd] n. [ME sped < OE spæd, wealth, power, success, akin to spowan, to prosper, succeed < IE base * spēi , to flourish, expand > SPACE, SPARE] 1. the act or state of moving rapidly; swiftness; quick motion 2. a) the rate of movement or …   English World dictionary

• Speed-demons — Speed demon is a term which sometimes has been used to denote a CPU design which favors high clock speed over high instructions per clock (IPC), particularly regarding modern CISC processors for personal computers. Speed demon designs typically… …   Wikipedia

• speed — ► NOUN 1) the rate at which someone or something moves or operates. 2) rapidity of movement or action. 3) each of the possible gear ratios of a bicycle. 4) the light gathering power or f number of a camera lens. 5) the duration of a photographic… …   English terms dictionary

• Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… …   Wikipedia

• movement perception — ▪ process Introduction       process through which humans and other animals orient themselves to their own or others physical movements. Most animals, including humans, move in search of food that itself often moves; they move to avoid predators… …   Universalium

• Speed of electricity — The Speed of electricity refers to the relatively slow movement of free electrons or ions through a conductor in the presence of an electric field, also known as drift velocity. It is often confused with the propagation speed of an… …   Wikipedia