dihedral angle

  • 31dihedral effect — The stabilizing effect of dihedral in the sideslip. When an aircraft sideslips, one wing is forced down, creating a difference between the upper and the lower wings’ angles of attack, with the greatest angle of attack on the lower wing. The… …

    Aviation dictionary

  • 32dihedral — i. The positive acute angle between the lateral axis of an airplane and a line through the center of a wing or horizontal stabilizer. A dihedral is normally associated with a low wing aircraft, although some dihedral angles may be incorporated… …

    Aviation dictionary

  • 33Dihedral symmetry in three dimensions — This article deals with three infinite sequences of point groups in three dimensions which have a symmetry group that as abstract group is a dihedral group Dihn ( n ≥ 2 ). See also point groups in two dimensions. Chiral: Dn (22n) of… …

    Wikipedia

  • 34dihedral — di·he·dral || daɪ hiːdrÉ™l adj. having two plane faces (Mathematics) n. angle between an aircraft wing and the horizontal; angle that is formed by two planes (Mathematics) …

    English contemporary dictionary

  • 35dihedral — /duy hee dreuhl/, adj. 1. having or formed by two planes. 2. of or pertaining to a dihedron. n. 3. dihedron. 4. Aeron. the angle at which the right and left wings or the halves of any other horizontal surface of an airplane or the like are… …

    Universalium

  • 36dihedral — [dʌɪ hi:dr(ə)l] 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. Origin C18: from di 1 + hedral (see hedron) …

    English new terms dictionary

  • 37dihedral — di•he•dral [[t]daɪˈhi drəl[/t]] adj. 1) math. having or formed by two planes 2) math. of or pertaining to a dihedron 3) math. dihedron 4) aer. the angle at which the wings of an airplane are vertically inclined • Etymology: 1790–1800 …

    From formal English to slang

  • 38dihedral —   n. angle between an aircraft wing and the horizontal …

    Dictionary of difficult words

  • 39Solid angle — The solid angle, Ω , is the angle in three dimensional space that an object subtends at a point. It is a measure of how big that object appears to an observer looking from that point. For instance, a small object nearby could subtend the same… …

    Wikipedia

  • 40plane angle — noun Date: 1570 an angle that for a given dihedral angle is formed by two intersecting lines each of which lies on a face of the dihedral angle and is perpendicular to the edge of the face …

    New Collegiate Dictionary