Flüchtigkeit 



FIuss 



transient, cursory, superficial, 

 evanescent. 



Flüchtigkeit volatility, fugacity, 

 evanescence, fleetingness. 



Fluchtpunkt vanishing point. 



fluchtrecht flush, aligned, in true 

 alignment. 



Flug, Gehörziel- aural indication 

 or reading of homing device, 

 aural method. Schleifen- ("U") 

 turn, loop. Sichtziel- visual 

 homing flight. 



Flug-bahn path of flight, trajectory 

 -bahnbild trajectory diagram. 



Flügel wing, vane, flap, lobe, blade. 



Flügel, Abdeck- masking or shutter 

 blade or wing.. Beruh igungs- in- 

 termediate blade, anti-flicker 

 blade, balancing blade. Radio- 

 meter- radiometer vane. Zwischen- 

 intermediate blade, anti-flicker 

 b. , balancing b. 



Flügel -horn bugle, vocal horn. 

 -nesser vane-type fluid meter. 

 -mutter winged nut, butterfly n., 

 thumb n. 



f 1 ügel n wing. 



Flügel-rad screw wheel, worm w., s. 

 propeller, -schraube wing or 

 thumb screw or nut. 



Fl ug-fernmeldewesen avigation or 

 aerial navigation signal service. 

 -funkdienst aeronautical radio 

 service, -geschwindigkei t rate 

 of flying speed, traveling veloci- 

 ty (electrons, etc. ). 



Flughafen airport, airdrome, land- 

 ing field, flying f. Verkehrs- 

 commercial airport, civil a. 

 -befeuerung airport beacon ser- 

 vice, -grenze airport boundary, 

 a. border line. 



Flug-leiter, Boden- ground control 

 operator, -leiter, Peil- ground 

 direction-finding operator, -ort 

 (flying) position (of craft). 

 -Probleme avigation, aeronatical 

 or flying problems. -Sicherung 

 avigation or aerial navigation 

 safety, air communication safety. 



-strecke airway, avigation route. 

 -wesen aviation, aerial navigation, 

 avigation, aeronautics. 



Flugzeug, anlaufendes approaching 

 airplane. -, schwanzloses tailless 

 airplane. Nurflügel- tailless 

 airplane. 



Flugzeug-abhörapparat airplane sound 

 locator or- detector, -aufnähme 

 aerial photograph, airplane p. 

 -aufsatzpunkt ground contact point, 

 landing point, -befehl sübertragung 

 inter-aircraft voice or command 

 communication, -führer pilot; 

 navigator, avigator. -führung 

 avigation or piloting of an air- 

 plane. - gleichgewi cht balance or 

 trim of an airplane, -längsachse 

 fore-aft line of airplane, major' 

 axis, -leitung aircraft guiding 

 or guidance, avigation, piloting. 

 -navigation aircraft guidance, 

 piloting of aircraft, avigation. 

 -propeller. Versetz- variable- 

 pitch (feathered) airscrew or 

 propeller, -schieben crabbing of 

 an airplane. -Stützpunkt airplane 

 base, base airport. -Versetzung 

 drift, lateral displacement or 

 shift (in course) of an airplane, 

 deviation from course, yaw. 



Flugziel flying course, airplane 

 neading or head (towards destina- 

 tion), home. 



Fl uoreszenzauslöschung fluorescence 

 quenching, evanescence, f. extinc- 

 tion (e.g., by poison). 



f 1 uoreszenzerzeugend f luorogenic. 



Fl uoreszenz-messer fluorometer; 

 phosphoroscope (measures decay). 

 -strich fluorescent screen trac- 

 ing or line. -Unterdrückung 

 quenching of fluorescence, sup- 

 pression or killing of f. 



fluoreszieren fluoresce, scintil- 

 late (when excited by a rays), 

 luminesce. 



Fluoritl insensystem semi-apochroma- 

 tic lens system. 



Fluss flow, flux, circulation, stream, 



