ajutagen.

Brit.

/ˈadʒᵿtɪdʒ/,

/əˈdʒuːtɪdʒ/, U.S.

/ˈædʒədɪdʒ/,

/əˈdʒudɪdʒ/

Forms:

α. 1600s– adjutage.

β. 1700s– ajutage.

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

Etymology: < French ajutage nozzle or mouthpiece attached to a pipe or aperture so as to facilitate the flow of liquid out of it or to determine the character of the flow (1694; 1676 as †ajustage ) < ajuster adjust v.² + -age -age suffix. Compare later adjustage n. 1.In α. forms probably influenced by association with formations in classical Latin ad- ad- prefix.

Originally: the outlet tube or mouthpiece of a fountain. Later also: a nozzle or mouthpiece attached to a pipe or aperture so as to facilitate the flow of liquid out of it or to determine the character of the flow. Cf. adjustage n. 1.

ΘΚΠ

society > occupation and work > equipment > conveyor > [noun] > conduit, channel, or tube > pipe > aperture or opening

ajutage1686

adjustage1725

vent-hole1728

fauceta1774

spout hole1800

1686 Philos. Trans. (Royal Soc.) 16 121 An even polished round Hole in the end of the Pipe, gives a higher Ject than either a Cylindrick or Conical Adjutage.

1718 J. T. Desaguliers tr. E. Mariotte Treat. Hydrostaticks iv. 208 Fix to the Side of the hollow Cylinder or Vessel another Pipe IL, curve towards the Top, where there is an Ajutage of 12 lines at lts Extremity L.

1729 S. Switzer Introd. Gen. Syst. Hydrostaticks & Hydraulicks I. i. ix. 125 The Bore of the Adjutage ought to be four Times less than the Diameter or Bore of the Pipe of Conduct.

1754 W. Emerson Princ. Mech. xiii. 220 The adjutage is sometimes made conical, but the best sort for spouting highest, is a thin plate with a hole in it.

1828 O. Gregory Hutton's Course Math. (ed. 9) II. 251 If an adjutage be turned upward, the jet will ascend to the height of the surface of the water in the vessel.

1873 E. Atkinson tr. A. Ganot Elem. Treat. Physics (ed. 3) 157 A cylindrical or conical efflux tube or adjutage is fitted to the aperture.

1887 Weekly Med. Rev. 17 Dec. 679/1 If a cylindrical or conical efflux tube or ajutage is fitted to the aperture, the amount of the efflux is materially increased.

1921 C. Barus Displacement Interferometry iv. 37 It seems probable that the harmonics of the open pipe are here superimposed on those of the adjutage.

1992 O. F. Robinson Anc. Rome (1994) vii. 100 This [sc. the quinaria] was a particular size of cross-section which, normally in multiples, defined the size of an ajutage, the pipe nozzle or valve through which water was drawn from an aqueduct.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	ajutage
释义	ajutagen. Brit. /ˈadʒᵿtɪdʒ/, /əˈdʒuːtɪdʒ/, U.S. /ˈædʒədɪdʒ/, /əˈdʒudɪdʒ/ Forms: α. 1600s– adjutage. β. 1700s– ajutage. Origin: A borrowing from French. Etymon: French ajutage. Etymology: < French ajutage nozzle or mouthpiece attached to a pipe or aperture so as to facilitate the flow of liquid out of it or to determine the character of the flow (1694; 1676 as †ajustage ) < ajuster adjust v.² + -age -age suffix. Compare later adjustage n. 1.In α. forms probably influenced by association with formations in classical Latin ad- ad- prefix. Originally: the outlet tube or mouthpiece of a fountain. Later also: a nozzle or mouthpiece attached to a pipe or aperture so as to facilitate the flow of liquid out of it or to determine the character of the flow. Cf. adjustage n. 1. ΘΚΠ society > occupation and work > equipment > conveyor > [noun] > conduit, channel, or tube > pipe > aperture or opening ajutage1686 adjustage1725 vent-hole1728 fauceta1774 spout hole1800 1686 Philos. Trans. (Royal Soc.) 16 121 An even polished round Hole in the end of the Pipe, gives a higher Ject than either a Cylindrick or Conical Adjutage. 1718 J. T. Desaguliers tr. E. Mariotte Treat. Hydrostaticks iv. 208 Fix to the Side of the hollow Cylinder or Vessel another Pipe IL, curve towards the Top, where there is an Ajutage of 12 lines at lts Extremity L. 1729 S. Switzer Introd. Gen. Syst. Hydrostaticks & Hydraulicks I. i. ix. 125 The Bore of the Adjutage ought to be four Times less than the Diameter or Bore of the Pipe of Conduct. 1754 W. Emerson Princ. Mech. xiii. 220 The adjutage is sometimes made conical, but the best sort for spouting highest, is a thin plate with a hole in it. 1828 O. Gregory Hutton's Course Math. (ed. 9) II. 251 If an adjutage be turned upward, the jet will ascend to the height of the surface of the water in the vessel. 1873 E. Atkinson tr. A. Ganot Elem. Treat. Physics (ed. 3) 157 A cylindrical or conical efflux tube or adjutage is fitted to the aperture. 1887 Weekly Med. Rev. 17 Dec. 679/1 If a cylindrical or conical efflux tube or ajutage is fitted to the aperture, the amount of the efflux is materially increased. 1921 C. Barus Displacement Interferometry iv. 37 It seems probable that the harmonics of the open pipe are here superimposed on those of the adjutage. 1992 O. F. Robinson Anc. Rome (1994) vii. 100 This [sc. the quinaria] was a particular size of cross-section which, normally in multiples, defined the size of an ajutage, the pipe nozzle or valve through which water was drawn from an aqueduct. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < n.1686
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