barometern.

/bəˈrɒmɪtə/

Forms: Also 1600s barrimiter, 1700s baromiter.

Etymology: < Greek βάρος weight + -meter comb. form². Compare French baromètre (1666).

a. An instrument for determining the weight or pressure of the atmosphere, and hence for judging of probable changes in the weather, ascertaining the height of an ascent, etc.The common barometer is a straight glass tube, 34 inches long and closed at the top, filled with mercury, and inverted in an open cup of the same liquid. The siphon barometer is a curved tube, with the mercury in the shorter limb exposed to the air; it is adapted as the wheel barometer found in ordinary weather-glasses by putting on the mercury in the shorter limb a float with a cord attached, which passes over a pulley, and as the float rises or falls, moves the indicating hand. For very exact readings a lofty tube filled with glycerine is sometimes used. See also aneroid adj. and n.

ΘΚΠ

the world > the earth > weather and the atmosphere > weather > study or science of weather > meteorological instruments > [noun] > barometer

barometer1666

glass1688

weather-glass1695

rain glass1862

1666 Philos. Trans. 1665–6 (Royal Soc.) 1 153 A Barometer or Baroscope first made publick by that Noble Searcher of Nature, Mr. Boyle.

a1687 W. Petty Polit. Anat. Ireland (1691) 48 Changes in the Air..known by the Instrument call'd the Barrimeter.

1705 S. Centlivre Gamester i. i. 5 Your fob, like a Baromiter, shews the Temper of your Heart, as that does the Weather.

1813 R. Wilson Private Diary II. 278 The Lutzen impression has made the bone of my left leg quite a barometer. [See aneroid adj. and n.]

figurative.1752 D. Hume Polit. Disc. iv. 73 Interest is the true barometer of the State.1827 J. C. Hare & A. W. Hare Guesses at Truth I. 134 Languages are the barometers of national thought and character.1870 M. Bridgman Robert Lynne I. xi. 173 The barometer of Mr. Selwyn's temper stood at stormy.

b. barometer-gauge n. an appliance resembling a barometer, attached to the receiver of an air-pump to indicate the rarity of the air within.

ΘΚΠ

society > occupation and work > equipment > pump > [noun] > other parts of pumps

pump box1422

pump-staff1422

pump-tree1617

branch1659

pump rod1731

pear-gauge1753

barometer-gauge1783

bucket-door1797

head1824

balance-bob1838

suction primer1875

cup-leather1889

airline1893

1783 T. Cavallo in Philos. Trans. (Royal Soc.) 73 449 A long barometer-gage was adapted to the pump by means of a bent brass tube.

This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2020).

单词	barometer
释义	barometern. /bəˈrɒmɪtə/ Forms: Also 1600s barrimiter, 1700s baromiter. Etymology: < Greek βάρος weight + -meter comb. form². Compare French baromètre (1666). a. An instrument for determining the weight or pressure of the atmosphere, and hence for judging of probable changes in the weather, ascertaining the height of an ascent, etc.The common barometer is a straight glass tube, 34 inches long and closed at the top, filled with mercury, and inverted in an open cup of the same liquid. The siphon barometer is a curved tube, with the mercury in the shorter limb exposed to the air; it is adapted as the wheel barometer found in ordinary weather-glasses by putting on the mercury in the shorter limb a float with a cord attached, which passes over a pulley, and as the float rises or falls, moves the indicating hand. For very exact readings a lofty tube filled with glycerine is sometimes used. See also aneroid adj. and n. ΘΚΠ the world > the earth > weather and the atmosphere > weather > study or science of weather > meteorological instruments > [noun] > barometer barometer1666 glass1688 weather-glass1695 rain glass1862 1666 Philos. Trans. 1665–6 (Royal Soc.) 1 153 A Barometer or Baroscope first made publick by that Noble Searcher of Nature, Mr. Boyle. a1687 W. Petty Polit. Anat. Ireland (1691) 48 Changes in the Air..known by the Instrument call'd the Barrimeter. 1705 S. Centlivre Gamester i. i. 5 Your fob, like a Baromiter, shews the Temper of your Heart, as that does the Weather. 1813 R. Wilson Private Diary II. 278 The Lutzen impression has made the bone of my left leg quite a barometer. [See aneroid adj. and n.] figurative.1752 D. Hume Polit. Disc. iv. 73 Interest is the true barometer of the State.1827 J. C. Hare & A. W. Hare Guesses at Truth I. 134 Languages are the barometers of national thought and character.1870 M. Bridgman Robert Lynne I. xi. 173 The barometer of Mr. Selwyn's temper stood at stormy. b. barometer-gauge n. an appliance resembling a barometer, attached to the receiver of an air-pump to indicate the rarity of the air within. ΘΚΠ society > occupation and work > equipment > pump > [noun] > other parts of pumps pump box1422 pump-staff1422 pump-tree1617 branch1659 pump rod1731 pear-gauge1753 barometer-gauge1783 bucket-door1797 head1824 balance-bob1838 suction primer1875 cup-leather1889 airline1893 1783 T. Cavallo in Philos. Trans. (Royal Soc.) 73 449 A long barometer-gage was adapted to the pump by means of a bent brass tube. This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2020). < n.1666
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