ballonetn.

Brit.

/ˈbalənɛt/,

/baləˈnɛt/, U.S.

/ˈbæləˌnɛt/,

/ˌbæləˈnɛt/

Forms: 1800s– ballonet, 1800s– ballonette (rare), 1800s– ballonnet (rare), 1900s– ballonnette (rare).

Origin: A borrowing from French. Etymon: French ballonnet.

Etymology: < French ballonnet (although this is apparently first attested later in the relevant sense: 1899 or earlier; 1874 in sense ‘small spherical vial used in physical and chemical experiments’) < ballon balloon n. + -et -et suffix¹. Compare earlier balloonet n.A form *ballonette or *ballonnette (compare e.g. quot. 1869) is not attested in French.

A separate gas- or air-filled compartment or small balloon within the main envelope of a balloon or airship, esp. one designed for the maintenance or adjustment of the envelope's shape, buoyancy, or orientation.

ΘΚΠ

society > travel > air or space travel > a means of conveyance through the air > balloons and airships > [noun] > gas or air container of balloon or airship

balloonet1838

gasbag1852

ballonet1869

air vessel1870

envelope1901

1869 W. A. Fraser Coila's Whispers 21 The Nassau's a bubble, Its size I will double, Silk, cordage, and car in proportion; And a Ballonette there, Au dessous de sa mère, We will hang as a measure of caution.

1901 Times 9 Aug. 3/4 The Santos Dumont balloon carries in its front portion a ballonet, or pocket, which is filled automatically by a ventilator driven by the motor.

1903 Daily Chron. 21 Sept. 3/6 In the central compartment is an internal air balloon, or ballonnette.

1915 Sphere 6 Feb. 152/1 At high altitudes the ballonettes [of the zeppelin] leak, and the covering does not by any means wholly retain the hydrogen.

1916 C. C. Turner Aircraft of To-day xiii. 203 All non-rigid and semi-rigid airships are provided with ballonnets.

1920 Flight 12 663/2 In Italy the British method of supplying air to the ballonets through airscoops fitted in the slipstream of the propellers is never used.

1985 N.Y. Times (Nexis) 6 Aug. 3/1 The ballonets also act like ballast in a ship, and pilots can help control an airship's attitude by shifting air to the front or back.

2003 New Yorker 9 June 69/2 The envelope contains a central helium balloon, along with fore and aft airbags, or ballonets, which help control the ship's pitch.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021).

单词	ballonet
释义	ballonetn. Brit. /ˈbalənɛt/, /baləˈnɛt/, U.S. /ˈbæləˌnɛt/, /ˌbæləˈnɛt/ Forms: 1800s– ballonet, 1800s– ballonette (rare), 1800s– ballonnet (rare), 1900s– ballonnette (rare). Origin: A borrowing from French. Etymon: French ballonnet. Etymology: < French ballonnet (although this is apparently first attested later in the relevant sense: 1899 or earlier; 1874 in sense ‘small spherical vial used in physical and chemical experiments’) < ballon balloon n. + -et -et suffix¹. Compare earlier balloonet n.A form ballonette or ballonnette (compare e.g. quot. 1869) is not attested in French. A separate gas- or air-filled compartment or small balloon within the main envelope of a balloon or airship, esp. one designed for the maintenance or adjustment of the envelope's shape, buoyancy, or orientation. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > balloons and airships > [noun] > gas or air container of balloon or airship balloonet1838 gasbag1852 ballonet1869 air vessel1870 envelope1901 1869 W. A. Fraser Coila's Whispers 21 The Nassau's a bubble, Its size I will double, Silk, cordage, and car in proportion; And a Ballonette there, Au dessous de sa mère, We will hang as a measure of caution. 1901 Times 9 Aug. 3/4 The Santos Dumont balloon carries in its front portion a ballonet, or pocket, which is filled automatically by a ventilator driven by the motor. 1903 Daily Chron. 21 Sept. 3/6 In the central compartment is an internal air balloon, or ballonnette. 1915 Sphere 6 Feb. 152/1 At high altitudes the ballonettes [of the zeppelin] leak, and the covering does not by any means wholly retain the hydrogen. 1916 C. C. Turner Aircraft of To-day xiii. 203 All non-rigid and semi-rigid airships are provided with ballonnets. 1920 Flight 12 663/2 In Italy the British method of supplying air to the ballonets through airscoops fitted in the slipstream of the propellers is never used. 1985 N.Y. Times (Nexis) 6 Aug. 3/1 The ballonets also act like ballast in a ship, and pilots can help control an airship's attitude by shifting air to the front or back. 2003 New Yorker 9 June 69/2 The envelope contains a central helium balloon, along with fore and aft airbags, or ballonets, which help control the ship's pitch. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021). < n.1869
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