- drag|on|root
- drag|on|root «DRAG uhn ROOT, -RUT», noun.1. = jack-in-the-pulpit. (Cf. ↑jack-in-the-pulpit)2. = green dragon. (Cf. ↑green dragon)
Useful english dictionary. 2012.
drag|on|root
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Drag coefficient — In fluid dynamics, the drag coefficient (commonly denoted as: cd, cx or cw) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment such as air or water. It is used in the drag equation,… … Wikipedia
Drag equation — In fluid dynamics, the drag equation is a practical formula used to calculate the force of drag experienced by an object due to movement through a fully enclosing fluid. The equation is attributed to Lord Rayleigh, who originally used L2 in place … Wikipedia
drag — {{11}}drag (n.) c.1300, dragnet, perhaps from a Scandinavian source (Cf. Swed. dragg grapnel ) or from O.E. dræge dragnet, related to dragan to draw (see DRAG (Cf. drag) (v.)). Sense of annoying, boring person or thing is 1813, perhaps from the… … Etymology dictionary
root — 1. n. & v. n. 1 a the part of a plant normally below the ground, attaching it to the earth and conveying nourishment to it from the soil. b (in pl.) such a part divided into branches or fibres. c the corresponding organ of an epiphyte; the part… … Useful english dictionary
drag — i. That component of aerodynamic forces acting on the wing or the airfoil section, which is parallel and opposite to the relative airflow. The sources of drag are the pressure distribution patterns over the airfoil, called induced drag; the skin… … Aviation dictionary
drag hinge — The hinges of a helicopter that permit movement as the blade drag varies during rotation. These are located approximately at the root of the helicopter main rotor blade … Aviation dictionary
drag damper — Devices meant to dampen the dragging action of helicopters’ rotor blades. They are fitted between the rotor blades and part of the hub on all rotor systems in which dragging takes place. For damping, a hydraulic or friction system is usually… … Aviation dictionary
Zero-lift drag coefficient — In aerodynamics, the zero lift drag coefficient CD,0 is a dimensionless parameter which relates an aircraft s zero lift drag force to its size, speed, and flying altitude. Mathematically, zero lift drag coefficient is defined as CD,0 = CD − CD,i … Wikipedia
Fear Will Drag You Down — Infobox Album Name = Fear Will Drag You Down Type = compilation Artist = Shadows Fall Released = January 28, 2002 Recorded = Length = 72:30 Genre = Metalcore Label = Century Media Producer = Zeuss B. Held Reviews = Last album = Deadworld (2001)… … Wikipedia
Wing root — The wing root is that part of the wing, on a fixed wing aircraft, that is closest to the fuselage.Peppler, I.L.: From The Ground Up , page 9. Aviation Publishers Co. Limited, Ottawa Ontario, Twenty Seventh Revised Edition, 1996. ISBN 09690054 9… … Wikipedia
