(indicating unit of time)
41Max Planck — Planck redirects here. For other uses, see Planck (disambiguation). Max Planck Born April 23, 1858( …
42nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …
43Nucleotide — Nucleotides are molecules that, when joined together, make up the structural units of RNA and DNA. In addition, nucleotides participate in cellular signaling (cGMP and cAMP), and are incorporated into important cofactors of enzymatic reactions… …
44Cook Islands Māori — This article is about the language. For the people of the Cook Islands, the majority of whom are Cook Islands Māori, see Cook Islanders. Cook Islands Māori Māori Kūki Āirani Spoken in …
45Double whole note — Various breve notations In music, a double whole note (American or German terminology) or breve (British or classical terminology) is a note lasting twice as long as a whole note (or semibreve). In medieval mensural notation, the brevis (ancestor …
46Open-high-low-close chart — An OHLC chart, with a moving average and Bollinger bands superimposed. An open high low close chart (also OHLC chart, or simply bar chart) is a type of chart typically used to illustrate movements in the price of a financial instrument over time …
47respiration — respirational, adj. /res peuh ray sheuhn/, n. 1. the act of respiring; inhalation and exhalation of air; breathing. 2. Biol. a. the sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells,… …
48History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …
49clearance — 1. (C with a subscript indicating the substance removed)Removal of a substance from the blood, e.g., by renal excretion, expressed in terms of the volume flow of arterial blood or plasma that would contain the amount of substance removed per …
50V speeds — A single engine Cessna 150L s airspeed indicator indicating its V speeds. In aviation, V speeds are standard terms used to define airspeeds important or useful to the operation of all aircraft including fixed wing aircraft, gliders, autogiros,… …
