| 单词 | instantaneous heater | 
| 释义 | > as lemmasinstantaneous (water-)heater  e.   instantaneous (water-)heater = geyser n. 2. ΘΚΠ the world > matter > properties of materials > temperature > heat > heating or making hot > that which or one who heats > 			[noun]		 > a device for heating or warming > for heating water water heater1824 water bar1843 geyser1878 chip heater1900 immersion heater1914 instantaneous (water-)heater1935 back-boiler1939 fridge-heater1957 1935    Plumber & Decorator Mar. 57/2  				Instantaneous water heaters are of two types—the multi-point, supplying hot water to several taps in different parts of the house; the single-point ‘geyser’ supplying hot water at the place where it is fixed. 1940    Chambers's Techn. Dict. 450/2  				Instantaneous water-heater. 1959    Chambers's Encycl. VII. 258/1  				Instantaneous heaters may be multipoint, supplying hot water to a number of taps, or single point for one tap only. < as lemmas | 
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