straight angle — UK / US noun [countable] Word forms straight angle : singular straight angle plural straight angles maths an angle of 180° … English dictionary
straight — I. adjective Etymology: Middle English streght, straight, from past participle of strecchen to stretch more at stretch Date: 14th century 1. a. free from curves, bends, angles, or irregularities < straight hair > < straight timber > b. generated… … New Collegiate Dictionary
Straight skeleton — In geometry, a straight skeleton is a method of representing a polygon by a topological skeleton. It is similar in some ways to the medial axis but differs in that the skeleton is composed of straight line segments, while the medial axis of a… … Wikipedia
Straight-two — A straight two engine, parallel twin or inline twin is a two cylinder piston engine that has its cylinders arranged in a single row. It is often improperly referred to as a straight twin . A true straight twin (or parallel twin) engine uses a… … Wikipedia
straight angle — noun Date: 1601 an angle whose sides lie in opposite directions from the vertex in the same straight line and which equals two right angles … New Collegiate Dictionary
Vertical angles — Two lines intersect to create two pairs of vertical angles. One pair consists of angles A and B; the second pair consists of angles C and D. In geometry, a pair of angles is said to be vertical (also opposite and vertically opposite, which is… … Wikipedia
At right angles — Right Right (r[imac]t), a. [OE. right, riht, AS. riht; akin to D. regt, OS. & OHG. reht, G. recht, Dan. ret, Sw. r[ a]tt, Icel. r[ e]ttr, Goth. ra[ i]hts, L. rectus, p. p. of regere to guide, rule; cf. Skr. [.r]ju straight, right. [root]115. Cf.… … The Collaborative International Dictionary of English
Alternate angles — Angle An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where … The Collaborative International Dictionary of English
Contiguous angles — Angle An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where … The Collaborative International Dictionary of English
External angles — Angle An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where … The Collaborative International Dictionary of English
