rate of movement
91Sleep, rapid eye movement — REM sleep is the portion of sleep when there are rapid eye movements (REMs). Dreams occur during REM sleep. We typically have 3 to 5 periods of REM sleep per night. They occur at intervals of 1 2 hours and are quite variable in length. An episode …
92non–rapid eye movement sleep — NREM sleep the dreamless period of sleep, consisting of four stages of succeeding depth, during which the brain waves are slow and of high voltage, and autonomic activities, such as heart rate and blood pressure, are low and regular. Brief… …
93capital movement — The transfer of capital between countries, either by companies or individuals. Restrictions on exchange controls and capital transfers between countries have been greatly reduced in recent years. Capital movements seeking long term gains are… …
94interest-rate cycle — The notion that the movement of interest rates is cyclical and related to the business cycle Historically, the variable path of inflation has modified any cyclical pattern in rates …
95velocity — Rate of movement; specifically, distance traveled or quantity converted per unit time in a given direction. Cf.:speed. [L. velocitas, fr. velox (veloc ), quick, swift] initial v. the rate of a reaction, e.g., an enzyme catalyzed reaction, at the… …
96Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
97river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
98eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… …
99locomotion — /loh keuh moh sheuhn/, n. the act or power of moving from place to place. [1640 50; see LOCOMOTIVE, MOTION] * * * Any of various animal movements that result in progression from one place to another. Locomotion is classified as either… …
100Current sea level rise — This article is about the current and future rise in sea level associated with global warming. For sea level changes in Earth s history, see Sea level#Changes through geologic time. Sea level measurements from 23 long tide gauge records in… …
