ion-sound wave
81lake — lake1 /layk/, n. 1. a body of fresh or salt water of considerable size, surrounded by land. 2. any similar body or pool of other liquid, as oil. 3. (go) jump in the lake, (used as an exclamation of dismissal or impatience.) [bef. 1000; ME lak(e) …
82Lake — /layk/, n. Simon, 1866 1945, U.S. engineer and naval architect. * * * I Relatively large body of slow moving or standing water that occupies an inland basin. Lakes are most abundant in high northern latitudes and in mountain regions, particularly …
83Corona — This article is about the astronomical term. For other uses, see Corona (disambiguation). During a total solar eclipse, the solar corona can be seen with the naked eye. A corona is a type of plasma atmosphere of the Sun or other celestial body,… …
84reflection — reflectional, adj. reflectionless, adj. /ri flek sheuhn/, n. 1. the act of reflecting or the state of being reflected. 2. an image; representation; counterpart. 3. a fixing of the thoughts on something; careful consideration. 4. a thought… …
85List of aerospace engineering topics — This page aims to list all articles related to the specific discipline of aerospace engineering. For a broad overview of engineering, see List of engineering topics. For biographies, see List of engineers.compactTOC NOTOC AAblation cascade… …
86theory — A reasoned explanation of known facts or phenomena that serves as a basis of investigation by which to seek the truth. SEE ALSO: hypothesis, postulate. [G. theoria, a beholding, speculation, t., fr. theoros, a beholder] adsorption t. of narcosis… …
872010 in heavy metal music — 2010 in music By location Canada – Europe – Great Britain – Ireland – Sweden – Japan – New Zealand – United States By genre Alternative, country, electropop, heavy metal, hip hop, opera By topic List of albums… …
88Список награждённых Национальной медалью науки США — Джошуа Ледерберг (справа) получает Национальную медаль науки из рук Президента США Джорджа Буша старшего Список …
89Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) …
90Heliosphere — The heliosphere is a bubble in space blown into the interstellar medium (the hydrogen and helium gas that permeates the galaxy) by the solar wind. Although electrically neutral atoms from interstellar space can penetrate this bubble, virtually… …
