spiral pump
31gastropod — /gas treuh pod /, n. 1. any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc. adj. 2. Also, gastropodous /ga strop euh deuhs/. belonging or pertaining to the gastropods. [1820 30; < NL Gast(e)ropoda a class of mollusks.… …
32Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
33Dirichlet eigenvalue — In mathematics, the Dirichlet eigenvalues are the fundamental modes of vibration of an idealized drum with a given shape. The problem of whether one can hear the shape of a drum is: given the Dirichlet eigenvalues, what features of the shape of… …
34Marine chronometer — Breguet twin barrel box chronometer. Classification Clock Industry Transportation …
35angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) …
36building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
37rifle — rifle1 /ruy feuhl/, n., v., rifled, rifling. n. 1. a shoulder firearm with spiral grooves cut in the inner surface of the gun barrel to give the bullet a rotatory motion and thus a more precise trajectory. 2. one of the grooves. 3. a cannon with… …
38vo|lute — «vuh LOOT», noun, adjective. –n. 1. a spiral or twisted thing or form. 2. Architecture. a spiral or scroll like ornament, especially one of those on lonic, Corinthian, and Composite capitals. 3. Zoology. a) a turn or whorl of a spiral shell. b)… …
39automobile — automobilist /aw teuh meuh bee list, moh bi list/, n. /aw teuh meuh beel , aw teuh meuh beel , aw teuh moh beel, beuhl/, n. 1. a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel… …
40International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
