post-acceleratorn.

Brit.

/ˌpəʊstəkˈsɛləreɪtə/, U.S.

/ˌpoʊstəkˈsɛləˌreɪdər/,

/ˌpoʊstækˈsɛləˌreɪdər/

Origin: Formed within English, by derivation. Etymons: post- prefix, accelerator n.

Etymology: < post- prefix + accelerator n. Compare earlier post-acceleration n. and later post-accelerate v.

Electronics.

A device for post-accelerating an electron or electron beam in a cathode ray tube.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [noun] > cathode ray > acceleration of beam after deflection > instrument for

post-accelerator1950

1950 Science 20 Oct. 449/1 They were excited by electron bombardment in a demountable, post-accelerator cathode-ray tube at voltages up to 30kv.

1956 Proc. IRE 44 665/2 Conventional post-accelerators, also called intensifiers, operate with conductive coatings of band or spiral shape, plated on the inside of the bulb.

1995 Sci. & Public Affairs Winter 72/3 ISOLDE has been in operation since 1967, and a post-accelerator..is currently being installed.

This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	post-accelerator
释义	post-acceleratorn. Brit. /ˌpəʊstəkˈsɛləreɪtə/, U.S. /ˌpoʊstəkˈsɛləˌreɪdər/, /ˌpoʊstækˈsɛləˌreɪdər/ Origin: Formed within English, by derivation. Etymons: post- prefix, accelerator n. Etymology: < post- prefix + accelerator n. Compare earlier post-acceleration n. and later post-accelerate v. Electronics. A device for post-accelerating an electron or electron beam in a cathode ray tube. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [noun] > cathode ray > acceleration of beam after deflection > instrument for post-accelerator1950 1950 Science 20 Oct. 449/1 They were excited by electron bombardment in a demountable, post-accelerator cathode-ray tube at voltages up to 30kv. 1956 Proc. IRE 44 665/2 Conventional post-accelerators, also called intensifiers, operate with conductive coatings of band or spiral shape, plated on the inside of the bulb. 1995 Sci. & Public Affairs Winter 72/3 ISOLDE has been in operation since 1967, and a post-accelerator..is currently being installed. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.1950
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