phase rotation indicator
71airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …
72cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction …
73muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …
74Dirac delta function — Schematic representation of the Dirac delta function by a line surmounted by an arrow. The height of the arrow is usually used to specify the value of any multiplicative constant, which will give the area under the function. The other convention… …
75Appendicitis — Classification and external resources An acutely inflamed and enlarged appendix, sliced lengthwise. ICD 10 K …
76LAPA Flight 3142 — Infobox Airliner accident name= LAPA flight 3142 Crash Date= 31 August, 1999 Type= Pilot error Site= Aeroparque Jorge Newbery Buenos Aires, Argentina Fatalities= 65 (2 on ground) Injuries= 34 (17 serious) Aircraft Type= Boeing 737 204C Operator=… …
77P-12 radar — P 12 Spoon Rest A operating in Somalia Country of origin …
78Ergodic theory — is a branch of mathematics that studies dynamical systems with an invariant measure and related problems. Its initial development was motivated by problems of statistical physics. A central concern of ergodic theory is the behavior of a dynamical …
79Expanding Earth theory — The Expanding Earth theory is an attempt to explain the position and movement of continents (continental drift) on the surface of the Earth. The expanded earth theory (and plate tectonics) incorporates the appearance of new crustal material at… …
80Aurora (astronomy) — Aurora Borealis redirects here. For other uses, see Aurora Borealis (disambiguation). Aurora Australis redirects here. For the ship, see Aurora Australis (icebreaker). For the book, see Aurora Australis (book). Northern lights redirects here. For …
