Wärmemesser 



W'ärmemesser ihermomeier, calorimeter. 

 -»thermoel ektri scher ihermel. 

 Sonnen- solariffleLer,pyroheliometer. 



Wärme-rauschen thermal noise (thermal 

 agitation or motion of eläctrons). 

 -Schwingung heat vibration. 

 -Speicher heat accumulator, re- 

 generator, -stoff caloric, thermo- 

 gen. -Strahlung thermal radiation, 

 temperature r., heat r. , radiant 

 heat, -tod heat death, -tonung 

 heat tone (in thermochemistry), 

 heat quantity, h. effect. 



wärmeundurchlässig athermanous, im- 

 pervious to heat, heat insulating. 



Wärme-vergangenhei t thermal antece- 

 dents, prior heat treatment. 

 -Verlust heat loss, thermal 1. 

 -Wirkung temperature effect, heat 

 action, thermal a. 



warm-fest heat resistant,, -georesst 

 hot-pressed, hot-press-fitted, 

 subjected to thermo-plastic treat- 

 ment. 



Warnsignal (cf Entwarnen) air-raid 

 alarm, caution signal. 



Warnung, Vor- alert signal. 



Warze wart, nipple, pin, knob, boss. 



Wasser, Ul tra- optically empty water. 



Wasser-abguss, Fagott- bassoon syphon. 

 -ablass,-abl ei tung water drain, w. 

 drainage, w. outlet. 



wasser-abstossend repelling water, w. 

 repellent, non-hygroscopic. 

 -anziehend water or moisture at- 

 tracting, hygroscopic, -beständig 

 stable in water or towards action 

 of w. -bindend hydrophylic, water- 

 absorbent, w. imbibent. 



Wasser-blase bubble of water; 

 vessel or container for water 

 heating, -druck hydraulic pres- 

 sure, -entziehung dehydration, 

 removal of water, desiccation. 



wasser-fest water-tight, w. -proof, 

 resistant to w. -frei dehydrated, 

 desiccated, anhydrous. 



Wasserhahn water cock, w. tap, fau- 

 cet, 



wasserhal tl g hydrous, hydrated, 

 aqueous, containing water, w. 

 bearing. 



wässerig watery, hydrous, aqi^eous. 



33H Wechsel blende 



Wasser-kraftl ehre hydrodynamics. 

 -kühl röhre water-cooled tube. 

 -luftpumpe water vacuum pump. 

 -mantel water jacket. 



wassern airplane traveling in con- 

 tact with water, ab- rise or 

 start from water, an- "land", 

 alight or descend on water. 



Wasser-schal ter hydroblast switch. 

 -schluss water seal, trap. 

 -siedemesser h^^someter. 



Wasserstoff , schwerer deuterium 

 (mass of 2), tritium (mass of 3). 

 - ionenkonzentration ph value, 

 hydrogen-ion concentration. 

 -kern hydrogen or H particle or 

 nucleus, -knal 1 gas detonating 

 gas (explosive mixture of hydro- 

 gen and oxygen), -strahl H ray 

 (consisting of K particle or posi- 

 tive hydrogen ion), -zahl hy- 

 drogen-ion concentration, pH 

 value. 



Wässerung washing (of film,etc. ) 



wässerungsgestel I washing rack 

 (phot. ) 



wasserunlöslich insoluble in water. 



Wasser-verschl uss water seal. 

 -wert water equivalent (of a 

 calorimeter). 



Watte absorbent cotton, wadding (of 

 cotton, glass wool, etc.), pad. 



Watt-1 ei stung, -zahl wattage, power 

 in terms of watt. 



W.E. (wärmeeinhei t)' heat unit, 

 thermal u. 



Wechsel change, shift, alternation, 

 cycle, Bild- (cf Vertikal-) 

 picture cycle, moving period, 

 feed stroke (ra.p.) Horizontal- 

 horizontal or line s^tic impulse 

 or cycle. Last- cyclic stress, 

 stress application cycle. Licht- 

 variation of exposure. Pol- 

 reversal of polarity, change of p. 

 Vertikal- vertical or frame syn- 

 chronizing pulse of cycle. 

 Zeilen- s. Horizontal- 



Wechsel-bezi ehung inter-relation, 

 correlation, mutual or reciprocal 

 relationship, -bl ende alternat- 

 ing shutter (in stereoscopy); 

 masking disk (with spiral slot 



