dihedral angle
21dihedral — /daɪˈhidrəl/ (say duy heedruhl) –adjective Mathematics 1. having, or formed by, two planes: a dihedral angle. 2. relating to or having a dihedral angle or angles. 3. (of an aircraft) having the wings sloping, especially upwards. Compare anhedral …
22dihedral — adj. & n. adj. having or contained by two plane faces. n. = dihedral angle. Phrases and idioms: dihedral angle an angle formed by two plane surfaces, esp. by an aircraft wing with the horizontal. Etymology: dihedron f. DI (1) + HEDRON …
23Angle — 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… …
24Angle diédral — En géométrie, l angle entre deux plans est appelé angle diédral ou angle dièdre. L angle diédral d un tétraèdre régulier, correspond à l angle observé au sol, dans un plan perpendiculaire à l une des arêtes au sol, que font la base du tétraèdre… …
25dihedral — noun Date: circa 1911 1. dihedral angle 2. the angle between an aircraft supporting surface (as a wing) and a horizontal transverse line …
26angle — I. noun Etymology: Middle English, from Anglo French, from Latin angulus Date: 14th century 1. a corner whether constituting a projecting part or a partially enclosed space < they sheltered in an angle of the building > 2. a. the figure formed by …
27dihedral — 1. noun a) An angle between two plane surfaces b) The upward slope of an aircrafts wing 2. adjective Consisting of, relating to or contained between two plane surfaces …
28angle — angle1 [aŋ′gəl] n. [ME & OFr < L angulus, a corner, angle < Gr ankylos, bent, crooked: see ANKLE] 1. a) the shape made by two straight lines meeting at a common point, the vertex, or by two planes meeting along an edge: see DIHEDRAL,… …
29dihedral — ► ADJECTIVE ▪ having or contained by two plane faces. ► NOUN 1) an angle formed by two plane faces. 2) Aeronautics upward inclination of an aircraft s wing …
30Dihedral group — This snowflake has the dihedral symmetry of a regular hexagon. In mathematics, a dihedral group is the group of symmetries of a regular polygon, including both rotations and reflections.[1] Dihedr …
