| 单词 |
humidistat |
| 释义 |
humidistat|hjuːˈmɪdɪstæt| Also humidostat. [f. humidity (or humid a. + -o) + -stat.] 1. (See quot.) rare. ? Obs.
1909Cent. Dict. Suppl., Humidostat, a small chest or cabinet lined with sheet-metal and fitted with some device for holding a damp sponge or piece of felt: used to keep cigars moist. 2. An automatic apparatus for regulating the humidity of the air in a room or building; also called a hygrostat.
1918Allen & Walker Heating & Ventilation xvi. 248 In a compressed-air system of control, a diaphragm valve..may be operated by means of a ‘hygrostat’ or ‘humidostat’, which corresponds to the thermostat of a temperature control system. 1936Archit. Rev. LXXX. p. lxviii/1 The control consists of a thermostat, a humidistat and a change-over rotary switch which together control the supply of hot or cold humidified or dehumidified air as required. 1970I. G. Walls Greenhouse Gardening viii. 55 Humidistats can be used..to put into operation mist nozzles in an air stream. |

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