unsichtbar 



313 



unsichtbaren Strahlen, Abtastung mit 



noctovisor scan with invisible 

 (or infra-red) rays. 



Unsinn, offenbarer manifest absurdity 

 or nonsense. 



un-starre Moleküle non-rigid mole- 

 cules, -st'at^steti g unsteady, 

 unstable, variable. 



Unstetigkeit im Filmzug flutter in 

 film pull. 



Unstet! gkeitsstelle point of un- 

 steadiness, instability or dis- 

 continuity. 



Unstimmigkeit discrepancy, dispari- 

 ty, lack of harmony. 



un streckbar non-extensible, non- 

 ductile, non-malleable. 



Unsymmetri e asymmetry, dissymmetry; 

 (condition of) unbalance, uni- 

 lateralness. 



Unter. ..sub-.. ., fractional, partial. 



unterabteilen subdivide, make sub- 

 compartments or partitions. 



Unter-anpassung under-matching (of 

 impedance), -anspruch sub-claim. 

 -anzeige underswing (of volume 

 indicator), -art subvariety, 

 subspecies, -bei astung under- 

 load, -bei ichtungsbereich toe 

 range (of under-exposure). 



unterbrechen interrupt, break, stop, 

 arrest, make discontinuous. 



Unterbrecher, Motor- motor-driven 

 make-and-break. Quecksilber- 

 strahl- mercury (jet) interrupter. 

 Selbst- trembler, self-interrupter, 

 buzzer. Stimmgabel- tuning-fork 

 interrupter. Turbinen- turbine 

 interrupter or break. 



Unterbrechung und Schliessung break 

 and make. 



Unterbrechungs-bad short-stop bath, 

 interruption b. , short-s. trough. 

 -funken break spark, circuit- 

 opening s. , wipe s. -Schwingungen 

 quench oscillations (in super- 

 regeneration), -vermögen 

 circuit-breaking, rupturing or 

 opening capacity or power Tof a 

 switch;. 



unterdrehen low-speed shooting. 



Unterdruck reduced pressure (below 



Unterlage, Filz- 



atmosphere), partial vacuum. 



Unterdrückung, Fluor estenz- 

 quenching or suppression of 

 fluorescence (by killer, 

 poison, etc.) Seltenband- 

 side-band suppression. Tatsachen- 

 ooncealment or suppression of facts. 

 Träger- suppression of carrier 

 (in quiescent telephony). 



Unterdrückungs-schwingungen quench 

 oscillations (in super-regenera- 

 tion). -stromkrels,Geräusch- 

 noise reduction, quelching, sup- 

 pression or silencing circuit. 



Unter-f lache under surface, under 

 face, under side, base, -form 

 sub-variety, subspecies. 

 -formanten sub-formants. 

 -führung, Weg- underpass. 



Untergehen swamped state, swamping 

 (of a station), -der Bildspannung 

 im Stör Spiegel swamping or blank- 

 eting of picture signal by noise 

 level. 



untergeordnet subordinate, subsidi- 

 ary, secondary (in rank, quality 

 or order), immaterial. 



Untergericht inferior court, lower 

 c. (of law). 



untergeschoben spurious, supposi- 

 tious. 



Unter-glasur underglaze. -grund 

 background, subsoil, subter- 

 ranean soil, underground. 

 -grund, Spaltungs- fission back- 

 ground, -gruppe subsidiary 

 group, subordinate g. -haltungs- 

 wert entertainment value. 

 -hörfrequenz sub-audio frequency, 

 infrasonic f. -hülle sub- 

 shell. 



unterirdisch subterraneous, sub- 

 terranean, underground. 



Unter-korrektur undercorrection, 

 undercompensation, -kühlung 

 supercooling, undercooling, 

 overcooling. 



Unterlage support, base, sub- 

 stratum, backing, foundation, 

 lining, bed, carrier. Fllz- 

 felt base, f. support, f. 

 under-layer, f. foundation. 



