Hernieder 



133 



Hilfsstoff 



Hernieder hemihedron, hemihedral 

 form, h. crystal. 



hemmen stop, check, brake, impede, 

 obstruct, retard, inhibit, clog, 

 lock. 



Hemm- r ad brake wheel, escapement w. 

 -schuh brake shoe. 



Hemmung escapement, retarding action, 

 brake a., stopping a., check, 

 hindrance, restraint, inhibition 

 (in reactions). 



Hemmungs-grund disability (law). 

 -körper restraining substance, 

 decelerator. 



Henkel handle, lug, ear. 



Herabsetzung stepping down (of po- 

 tential, gearing, etc. ), decrease 

 (speed, by step-down gear); sub- 

 multiplication. 



heran lotsen guide to (airplanes, 

 etc . ) . 



herausarbeiten work out of (say, a 

 solid piece, by cutting, punch- 

 ing, etc. ), blank out. 



Heraus-f iihrung lead-in (wire or 

 conductor), lead-out wire, -gäbe 

 restitution, return, delivery, 

 surrender, issuance, edition (of 

 a publication). 



heraus-hören apperceive (say. a 

 certain note in a spectrum; . 

 -pipettieren pipet out, remove 

 with pipette, -spritzen spurt or 

 spout out, gusher, gush, -treten 

 protrude, emerge, step out of. 



herrschende Verhältnisse prevailing 

 circumstances. 



herrühren originate, proceed or 

 come from. 



herstellen make, produce, manufac- 

 ture, close (a circuit, a con- 

 nection). 



Hertz- Einheiten cycles per second, 

 cps. -'sehe Welle Hertzian 

 wave, H. radiation, electric 

 wave. 



herunter-gehen let down (of an air- 

 plane), -klappen let down in 

 hinges, hinge down, drop (as a 

 table leaf), -regeln, -steuern 



regulate (a quantity) in a down- 

 ward direction, regulate down. 



hervor-br ingen produce, create, 

 set up, develop, -heben make 

 conspicuous or prominent, under- 

 score, highlight; accentuate, 

 emphasize, underscore (certain 

 frequencies or bands), -ragen 

 project, stand out, be salient. 



Hervorruf ungszeit developing time. 



Herz-bahn cardioid-shaped path (of 

 electrons). -Charakteristik 

 cardioid characteristic or space 

 pattern, -exzenterbewegung cam 

 movement of Livin. -spannungs- 

 kurve electro-cardiogram. 



heulen howl. 



heul-signal siren, -ton sound with 

 large number of modes of vibration, 

 warble frequency tone, high- 

 frequency warble tone ("multi- 

 tones"). 



Mexodenkappe top cap of hexode tube. 



H-Glied H-type section, filter mesh 

 or network m. 



hiebton Aeolian note. 



Hi Ifs- auxiliary, subsidiary, subor- 

 dinate, ancillary, accessory, 

 standby. 



Hi If sf requenz pilot frequency 

 auxiliary f.; local f. oscilla- 

 tion (in superheterodyne). 

 -riickkopplung super -regeneration 

 (working with quench voltage). 



hilfs-funke pilot spark, -landeplatz 

 emergency or auxiliary landing 

 place or field, -mittel auxiliar- 

 ies, accessories, supplemental or 

 expedient means, makeshift, ad- 

 juvants, -netz auxiliary (con- 

 trol) grid, -pei I stelle auxili- 

 ary, associate or affiliated 

 ground direction-finding station 

 (subject to main control station). 

 -phasenkreis starting-winding 

 circuit (of split-phase induction 

 motor), -sender auxiliary trans- 

 mitter, local oscillator (in 

 heterodyne scheme), -stoff ad- 

 juvant (substance), auxiliary or 



