psychrometern.

Brit.

/sʌɪˈkrɒmᵻtə/, U.S.

/saɪˈkrɑmədər/

Origin: Formed within English, by compounding. Etymons: psychro- comb. form, -meter comb. form².

Etymology: < psychro- comb. form + -meter comb. form². Compare French psychromètre (1732), Italian psicrometro (1749).The use in sense ‘thermometer’ (see quot. 1752) is apparently not paralleled in French or Italian.

rare before mid 19th cent.

An instrument for ascertaining the relative humidity of the air by noting the difference in the readings of two thermometers, one of which has a wet bulb that is cooler as a result of evaporation. Formerly also: †a thermometer (obsolete rare).

ΘΚΠ

the world > matter > liquid > moisture or humidity > [noun] > instrument for measuring humidity

hygrometer1670

weather-cord1747

psychrometer1838

moisture meter1935

1728 E. Chambers Cycl. Psychrometer, an instrument for measuring the Degree of Moisture or Humidity of the Air; more usually call'd Hygrometer.

1752 Chambers's Cycl. (ed. 7) Psychrometer, an instrument for measuring the degree of coldness of the air; more usually called thermometer.

1838 Encycl. Brit. XVII. 533/2 Two thermometers are now mounted on the same scale, and the indications of the wet and dry bulbs seen at the same time. This instrument has been termed a psychrometer.

1851 Sci. Amer. 6 Sept. 403/2 He exhibited, also, the instruments provided by the Association, such as psychrometers, thermometers, &c.

1876 C. H. Davis Narr. North Polar Exped. Ship Polaris ix. 219 In it were placed the standard thermometer, the wet and dry bulb psychrometers.

1939 Bot. Gaz. 101 183 Several determinations of the relative humidity in the darkroom were made with a psychrometer.

1990 Yachting Feb. 30/1 Yachtsmen can easily predict fog with a sling psychrometer.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	psychrometer
释义	psychrometern. Brit. /sʌɪˈkrɒmᵻtə/, U.S. /saɪˈkrɑmədər/ Origin: Formed within English, by compounding. Etymons: psychro- comb. form, -meter comb. form². Etymology: < psychro- comb. form + -meter comb. form². Compare French psychromètre (1732), Italian psicrometro (1749).The use in sense ‘thermometer’ (see quot. 1752) is apparently not paralleled in French or Italian. rare before mid 19th cent. An instrument for ascertaining the relative humidity of the air by noting the difference in the readings of two thermometers, one of which has a wet bulb that is cooler as a result of evaporation. Formerly also: †a thermometer (obsolete rare). ΘΚΠ the world > matter > liquid > moisture or humidity > [noun] > instrument for measuring humidity hygrometer1670 weather-cord1747 psychrometer1838 moisture meter1935 1728 E. Chambers Cycl. Psychrometer, an instrument for measuring the Degree of Moisture or Humidity of the Air; more usually call'd Hygrometer. 1752 Chambers's Cycl. (ed. 7) Psychrometer, an instrument for measuring the degree of coldness of the air; more usually called thermometer. 1838 Encycl. Brit. XVII. 533/2 Two thermometers are now mounted on the same scale, and the indications of the wet and dry bulbs seen at the same time. This instrument has been termed a psychrometer. 1851 Sci. Amer. 6 Sept. 403/2 He exhibited, also, the instruments provided by the Association, such as psychrometers, thermometers, &c. 1876 C. H. Davis Narr. North Polar Exped. Ship Polaris ix. 219 In it were placed the standard thermometer, the wet and dry bulb psychrometers. 1939 Bot. Gaz. 101 183 Several determinations of the relative humidity in the darkroom were made with a psychrometer. 1990 Yachting Feb. 30/1 Yachtsmen can easily predict fog with a sling psychrometer. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1728
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