Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An angle formed by the perpendicular intersection of two straight lines; an angle of 90°.
Wiktionary
- n. geometry An angle of 90 degrees; the bisect of the angle formed by a single straight line.
- n. mathematics An ∟ character.
GNU Webster's 1913
- n. one formed by a right line falling on another perpendicularly, or an angle of 90° (measured by a quarter circle).
- adj. (Spherics) A spherical angle included between the axes of two great circles whose planes are perpendicular to each other.
WordNet 3.0
- n. the 90 degree angle between two perpendicular lines
Examples
“UFOs sometimes assume the shape of structured disklike craft, but behave unlike familiar physical things; they divide and unite, appear and disappear, make right angle turns at incredible velocities, and behave in a manner more thoughtlike than physical.”
“Davis's division was placed in position on my right, his troops thrown somewhat to the rear, so that his line formed nearly a right angle with mine, while Johnson's division formed in a very exposed position on the right of Davis, prolonging the general line just across the Franklin pike.”
Fictionaut: She Makes Her Mouth Small & Round & Other Stories
“I am also craning my neck to watch the operation, but to get the proper presentation of the wound, Dr. Fong has me positioned in what I suppose to be a quarter nelson, my shoulder twisted at a right angle behind my back so that my straight elbow points at him and my fingers splay with the tension of the twist.”
“Forming a right angle with the ice, the rock wall on my left allowed me to make stemming maneuvers; using counterpressure, I could more confidently bear down on the crampon points of my right foot, where they were embedded in the ice.”
“A large, tree-trunk-like projection emerged from the object, made a right angle turn, and met up with the floor.”
“He played the light up the wall to the fifty-foot-high ceiling and then followed the wall away from him until the surface ended at a right angle to another wall.”
“CLEAR green hills at a right angle to the North wall,”
“For example, in the area marked "Town", where he has shown a bare right angle of shops and houses, there were many more buildings behind, as there were between the arsenal and the rifle works; there were also some minor buildings between the Wager House and the armoury railings, close to the tracks, and beside Galt's saloon on the Shenandoah shore.”
“The gnomon is a right angle triangle in which the southern angle equals your hometown latitude.”
“When these men started Magruder's division to the west, almost at a right angle to Jackson's march southward, Longstreet questioned the direction.”
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