**straight angle** — ► NOUN Mathematics ▪ an angle of 180° … English terms dictionary

**straight angle** — n. an angle of 180 degrees: see ANGLE1 … English World dictionary

**straight angle** — UK / US noun [countable] Word forms straight angle : singular straight angle plural straight angles maths an angle of 180° … English dictionary

**straight angle** — straight′ an gle n. math. an angle of 180° • Etymology: 1595–1605 … From formal English to slang

**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

**straight angle** — the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one half of the circle; an angle of 180°. [1595 1605] * * * … Universalium

**straight angle** — flat angle, angle of one hundred and eighty degrees … English contemporary dictionary

**straight angle** — noun Mathematics an angle of 180° … English new terms dictionary

**straight angle** — noun an angle of 180 degrees • Hypernyms: ↑angular unit • Part Holonyms: ↑circumference … Useful english dictionary

**Angle** — This article is about angles in geometry. For other uses, see Angle (disambiguation). Oblique angle redirects here. For the cinematographic technique, see Dutch angle. ∠, the angle symbol In geometry, an angle is the figure formed by two rays… … Wikipedia