in+an+opposite+direction
81electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
82reverse — [ri vʉrs′] adj. [ME revers < OFr < L reversus, pp. of revertere: see REVERT] 1. a) turned backward; opposite or contrary, as in position, direction, order, etc. b) with the back showing or in view 2. reversing the usual effect so as to show …
83Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …
84Interchange (road) — A high capacity interchange: the Judge Harry Pregerson Interchange in Los Angeles, California, United States …
85Coaxial rotors — Kamov Ka 32A 12 Coaxial rotors are a pair of helicopter rotors mounted one above the other on concentric shafts, with the same axis of rotation, but that turn in opposite directions (contra rotation). This configuration is a feature of… …
86Roller coaster elements — Contents 1 Basic elements 1.1 Brake run 1.2 Buzz bars 1.3 …
87List of grinds (inline skating) — Grinds are central to a more aggressive form of inline skating that requires balance, agility and strength to execute tricks. Grinds favor lighter aggressive skaters with more technical footing which is why they are the starting point for most… …
88Flip tricks — A flip trick is a type of skateboarding trick in which the skateboard flips in a particular way. In many tricks, the skateboard flips upside down and/or end over end. The most common and well known flip trick is the kickflip, invented by Rodney… …
89reverse — re•verse [[t]rɪˈvɜrs[/t]] adj. n. v. versed, vers•ing 1) opposite or contrary in position, direction, order, or character 2) with the back or rear part toward the observer: the reverse side of a fabric[/ex] 3) mac mec pertaining to or producing… …
90reverse — I. adjective Etymology: Middle English revers, from Anglo French, from Latin reversus, past participle of revertere to turn back more at revert Date: 14th century 1. a. opposite or contrary to a previous or normal condition < reverse order > b.… …
