droop

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Related to drooping: drooping eyelid

droop

The deviation from a preset value of a controlled liquid level, temperature, variable pressure, or differential pressure (at minimum controllable flow) when the flow through a regulator is gradually increased from its minimum controllable flow to its rated capacity.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

droop

droop
droop
i. A downward curvature of the leading edge of an airfoil to provide increased camber.
ii. A progressive decrease in RPM that occurs when a fuel control flyweight governor spring is extended and made weaker. It takes less flyweight force to come to an equilibrium with the weaker spring force and consequently a lower RPM will result.
iii. The inability of the engine power to increase as the rotor pitch is increased, causing the rotor to slow down.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
DeSouza et al described an infant having congenital bilateral ptosis and captured her remarkable ability to lift the eyelid with the hand in order to see (see Figure 2) (7) Patients mostly complain of the cosmetic effect of drooping of the upper lid, and in more marked cases there may be interference with vision.
Next, scientists retained 18 volunteers with drooping upper eyelids from this study and applied the same protocol.
Inflammation of middle ear will result in paralysis of affected side of face including ear droop, weakness of eyelid, and drooping of facial muscles (Schweitzer et al., 2006).
Gary Gabriel, an investment sales broker for commercial property for Cushman & Wakefield in New Jersey, said that the threat to consumer spending from the current drooping real estate market is ratcheted up significantly by the prospect of the Fed having to use interest rate hikes to curb inflation.
F for Face: Weakness or a drooping, crooked smile; sudden loss of vision in one or both eyes
All too soon her magic fades, with flowers drooping heads She flees to let winter come, the master of discontent Farewell her gentle passing goes with birds that have fled Goodbye sweet maid, now your time is spent
Last Wednesday, the crew conducted a successful space walk to remove the drooping insulation, gently tugging it free.
The man - who broke his neck when he was 17 and has incomplete quadriplegia, limited control of his arms and legs and drooping eyelids and facial features - was preparing to board a flight from Sydney to Melbourne when he was told that he was medically unfit to travel.
The dented, outmoded, and oversized luxury vehicle in Covered Car--Missouri Street, 2001, faces the elements under a cover resembling a tattered shroud with ripped tendrils drooping to the asphalt.
The bur oak's drooping bunches of male flowers have already disseminated most of their pollen.
Yellowing or drooping leaves are another sign they've come to call.
Furthermore, ancillary techniques of plastic surgery to aid in protecting the affected eye and/or in improving a drooping eyebrow, etc., might be needed in some cases.