impermeatorn.

Brit.

/ɪmˈpəːmɪeɪtə/, U.S.

/ᵻmˈpərmiˌeɪdər/

Origin: A borrowing from Latin, combined with an English element. Etymons: im- prefix¹, Latin permeator.

Etymology: < im- prefix¹ + post-classical Latin permeator permeator n.

Mechanics. Now rare.

A device in a steam engine for forcing oil into the cylinder in order to lubricate the walls of the cylinder and the piston.

ΚΠ

1865 Dublin Internat. Exhib. Arts & Manuf.: Official Catal. (ed. 2) 5 Patent steam impermeator.

1920 J. W. M. Sothern Marine Steam Turbine (ed. 6) ii. 125 An impermeator is usually fitted for supplying oil to gland rings.

1952 Trans. Inst. Engineers & Shipbuilders Scotl. 95 116 The only lubrication of the ring or lip is that obtained by the moisture in the steam or from oil introduced into the steam entering the h.p. cylinder by means of an impermeator.

This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022).

单词	impermeator
释义	impermeatorn. Brit. /ɪmˈpəːmɪeɪtə/, U.S. /ᵻmˈpərmiˌeɪdər/ Origin: A borrowing from Latin, combined with an English element. Etymons: im- prefix¹, Latin permeator. Etymology: < im- prefix¹ + post-classical Latin permeator permeator n. Mechanics. Now rare. A device in a steam engine for forcing oil into the cylinder in order to lubricate the walls of the cylinder and the piston. ΚΠ 1865 Dublin Internat. Exhib. Arts & Manuf.: Official Catal. (ed. 2) 5 Patent steam impermeator. 1920 J. W. M. Sothern Marine Steam Turbine (ed. 6) ii. 125 An impermeator is usually fitted for supplying oil to gland rings. 1952 Trans. Inst. Engineers & Shipbuilders Scotl. 95 116 The only lubrication of the ring or lip is that obtained by the moisture in the steam or from oil introduced into the steam entering the h.p. cylinder by means of an impermeator. This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022). < n.1865
随便看	aircondition airconditioned aircool aircooled aircooling aircored aircraft aircraft carrier aircraft hand aircraft piracy aircraft-carrying aircraft-grade aircraft-style aircraftcarrying aircraftgrade aircraftman aircraftmen aircrafts aircraftstyle aircraftwoman aircraftwomen aircrew aircrews aircrisping aircure