hydro-pneumaticadj.n.

Brit.

/ˌhʌɪdrəʊnjuːˈmatɪk/,

/ˌhʌɪdrəʊnjᵿˈmatɪk/, U.S.

/ˌhaɪdrəˌn(j)uˈmædɪk/

Etymology: < hydro- comb. form 1 + pneumatic adj. and n.: in French hydro-pneumatique.

A. adj.

Pertaining to water and air or gas; applied to apparatus involving the combined action of water and air.Originally applied to the method of collecting and retaining gas over water in the pneumatic trough, invented by Cavendish about 1765.

ΘΚΠ

the world > matter > gas > [adjective] > and water

hydro-pneumatic1794

the world > matter > physics > mechanics > fluid mechanics > [adjective] > relating to hydraulics or hydromechanics > relating to hydraulics and pneumatics

hydraulo-pneumatical1686

hydraulico-pneumatical1688

hydraulo-pneumatic1730

hydro-pneumatic1794

1794 G. Pearson in Philos. Trans. (Royal Soc.) 84 399 In close vessels, with the hydro-pneumatic apparatus affixed.

1812 H. Davy Elements Chem. Philos. 35 Mr. Cavendish, about 1765, invented an apparatus for examining elastic fluids confined by water, which has been since called the hydro-pneumatic apparatus.

1815 W. Congreve (title) A Description of the Construction and Properties of the Hydro-Pneumatic Lock.

1816 J. Tilley in Philos. Mag. 43 280 Description of a Hydro-Pneumatic Blow-pipe for the use of Chemists [etc.].

1851 Official Descriptive & Illustr. Catal. Great Exhib. II. 222 New hydro-pneumatic engine. The..water pressure to drive the piston..in one direction, and a vacuum being produced, to make..atmospheric pressure to drive it in an opposite direction.

1851 Official Descriptive & Illustr. Catal. Great Exhib. II. 311 Hydro-pneumatic lift, for canal locks. Hydro-pneumatic elevators.

1884 Instr. Mil. Engin. (ed. 3) I. ii. 40 Guns mounted on hydro-pneumatic (disappearing) carriages.

B. n. plural.

Hydro-pneumatic appliances.

ΘΚΠ

society > occupation and work > equipment > other specific types of equipment > [noun] > hydro-pneumatic appliances

hydro-pneumatic1887

the world > matter > physics > mechanics > fluid mechanics > [noun] > hydraulics or hydromechanics > hydraulics and pneumatics > appliances

hydro-pneumatic1887

1887 Pall Mall Gaz. 27 Dec. 11/2 The application of hydro-pneumatics in substitution for counterweights was protected by letters patent, granted to Col. Moncrieff in 1869.

This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2022).

单词	hydro-pneumatic
释义	hydro-pneumaticadj.n. Brit. /ˌhʌɪdrəʊnjuːˈmatɪk/, /ˌhʌɪdrəʊnjᵿˈmatɪk/, U.S. /ˌhaɪdrəˌn(j)uˈmædɪk/ Etymology: < hydro- comb. form 1 + pneumatic adj. and n.: in French hydro-pneumatique. A. adj. Pertaining to water and air or gas; applied to apparatus involving the combined action of water and air.Originally applied to the method of collecting and retaining gas over water in the pneumatic trough, invented by Cavendish about 1765. ΘΚΠ the world > matter > gas > [adjective] > and water hydro-pneumatic1794 the world > matter > physics > mechanics > fluid mechanics > [adjective] > relating to hydraulics or hydromechanics > relating to hydraulics and pneumatics hydraulo-pneumatical1686 hydraulico-pneumatical1688 hydraulo-pneumatic1730 hydro-pneumatic1794 1794 G. Pearson in Philos. Trans. (Royal Soc.) 84 399 In close vessels, with the hydro-pneumatic apparatus affixed. 1812 H. Davy Elements Chem. Philos. 35 Mr. Cavendish, about 1765, invented an apparatus for examining elastic fluids confined by water, which has been since called the hydro-pneumatic apparatus. 1815 W. Congreve (title) A Description of the Construction and Properties of the Hydro-Pneumatic Lock. 1816 J. Tilley in Philos. Mag. 43 280 Description of a Hydro-Pneumatic Blow-pipe for the use of Chemists [etc.]. 1851 Official Descriptive & Illustr. Catal. Great Exhib. II. 222 New hydro-pneumatic engine. The..water pressure to drive the piston..in one direction, and a vacuum being produced, to make..atmospheric pressure to drive it in an opposite direction. 1851 Official Descriptive & Illustr. Catal. Great Exhib. II. 311 Hydro-pneumatic lift, for canal locks. Hydro-pneumatic elevators. 1884 Instr. Mil. Engin. (ed. 3) I. ii. 40 Guns mounted on hydro-pneumatic (disappearing) carriages. B. n. plural. Hydro-pneumatic appliances. ΘΚΠ society > occupation and work > equipment > other specific types of equipment > [noun] > hydro-pneumatic appliances hydro-pneumatic1887 the world > matter > physics > mechanics > fluid mechanics > [noun] > hydraulics or hydromechanics > hydraulics and pneumatics > appliances hydro-pneumatic1887 1887 Pall Mall Gaz. 27 Dec. 11/2 The application of hydro-pneumatics in substitution for counterweights was protected by letters patent, granted to Col. Moncrieff in 1869. This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2022). < adj.n.1794
随便看	undespising undespoiled undespondent undesponding undespotic undestined undestroyable undestroyed undestructible undestructive undetachable undetached undetainable undetained undetectability undetectable undetectably undetected undetectible undeteriorated undeterminable undeterminably undeterminate undeterminated undeterminately