Zacke prong, tine, tooth, jag, 

 serration. 



Zackenblende vane with serrated or 

 triangular edge, t. aperture 

 (used in sound recording). 

 Vielfach- light stop for making 

 multi-lateral sound track. 



Zackenrolle sprocket wheel. 



Zackenschrift variable-area sound 

 track, V. -width s. recording. 

 Mehrfach- multilateral soundtrack. 

 Zweifach- bilateral track. 



Zackenspur, Abdeckdoppel- duplex 

 variable-area track. Abdeckeinfach-, 

 Einfach- unilateral variable-area 

 sound track. Gegentakt- push-pull 

 variable-area track. Verschiebe- 

 bilateral variable-area track. 



Zacken-tonspurbrei te breadth of varia- 

 ble-width or variable-area sound 

 track, -tromnel sprocket drum, s. 

 wheel . 



zackig jagged, toothed, indented, 

 serrated. 



zäh tough, tenacious, viscous, 

 viscid (liquids). 



Zähflüssigkeit viscosity; refrac- 

 toriness. 



Zähigkeits-einheit (poise) unit of 

 viscosity, -kehrwert fluidity 

 (inverse of viscosity), -messer 

 mit Fall kör per viscosimeter, vis- 

 cometer of ball drop type. 



Zahl , dre i stel 1 i ge three-figure numbec 

 -, ganze integer, integral number. 

 -, gerade even number, -.natürliche 

 natural number. -, unbenannte 

 indefinite number, -.ungerade odd 

 number. -,vi er stel 1 i ge four-figure 

 number, four-place n. 



Zahl, Bild- picture frequency, frame 

 f., repetition f. Dehnungs- coef- 

 ficient of expansion, c. of ex- 

 tension. Güte- figure of merit; 

 quality of Q factor (ratio reac- 

 tance-resistance of coil). 

 Hallraum- chamber coefficient (ac). 



Haupt- cardinal number. Kenn- 

 characteristic factor; office code. 

 Kerbwirkungs- fatigue stress con- 

 centration figure. Kernladungs- 

 nuclear charge number. Koordina- 

 tions- co-ordination number. 

 Massen- mass number. Ordnungs- 

 ordinal number, atomic n. , serial 

 n. Stellen- position number, atomic 

 n. ; inJex (math.). Öberführungs- 

 transport number (of ions), trans- 

 ference n. , Hittorf n. Qbergangs- 

 transfer number (of solutions). 



Zählader meter wire, pilot w. , 

 marked w. 



Zahl en-blank figure space, f. 

 blank, -lehre arithmology, 

 arithmetic, numerology. 



zahlenmässig numerically, as far as 

 numbers are concerned, -erfassbar 

 numerically evaluable. 



Zahlentafel table of figures, nu- 

 merical table of tabulation. 



Zähl er, Bild- frame indicator, f. 

 counter. Bl indverbrauchs- reac- 

 tive volt- amp. -hour meter, sine m. , 

 wattless component m. , var-hour m. 

 Blutkörper- haemacytometer, blood 

 counter. Faden- thread counter, 

 linen tester. Film- footage 

 counter (m.p.) Funken- spark 

 counter. Meter- footage counter 

 (m.p.). Scheinverbrauch- apparent 

 power meter, tri vector. Spitzen- 

 needle counter (e.g., of Geiger). 

 Staub- dust counter. 



..zähl ig ...nary (binary, ternary, 

 etc. ) . . .fold. 



Zahn und Trieb rack and pinion. 



Zahn, Sperr- ratchet tooth, pawl, 

 detent. 



zähnel n, zahnen tooth, indent, 

 denticulate, notch, mill, knurl. 



Zahn-getriebe, Schrauben- helical 

 gear, spiral g. , worm, -kränz 

 tooth- wheel, gear rim, toothed r. 

 -motor mit St immgabel Steuerung 



