post-accelerationn.

Brit.

/ˌpəʊstəkˌsɛləˈreɪʃn/, U.S.

/ˌpoʊstəkˌsɛləˈreɪʃ(ə)n/,

/ˌpoʊstækˌsɛləˈreɪʃ(ə)n/

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

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

Electronics.

Acceleration of an electron or electron beam after its deflection 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

post-acceleration1940

1940 Philips Techn. Rev. 5 245 (heading) A cathode ray tube with post-acceleration.

1940 Philips Techn. Rev. 5 249/1 The strength of the lens increases with increasing post-acceleration voltage.

1971 O. Klemperer & M. E. Barnett Electron Optics (ed. 3) x. 399 The best post-acceleration is effected by means of fine meshes.

1980 Aviation Week & Space Technol. (Nexis) 4 Aug. 60 The RADLAC 1 device is designed for 50-100 kiloamp. beam current, 2-3 Mv. per stage of post acceleration and 3-5 Mv. per meter average accelerating gradient.

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

单词	post-acceleration
释义	post-accelerationn. Brit. /ˌpəʊstəkˌsɛləˈreɪʃn/, U.S. /ˌpoʊstəkˌsɛləˈreɪʃ(ə)n/, /ˌpoʊstækˌsɛləˈreɪʃ(ə)n/ Origin: Formed within English, by derivation. Etymons: post- prefix, acceleration n. Etymology: < post- prefix + acceleration n. Compare later post-accelerate v. Electronics. Acceleration of an electron or electron beam after its deflection 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 post-acceleration1940 1940 Philips Techn. Rev. 5 245 (heading) A cathode ray tube with post-acceleration. 1940 Philips Techn. Rev. 5 249/1 The strength of the lens increases with increasing post-acceleration voltage. 1971 O. Klemperer & M. E. Barnett Electron Optics (ed. 3) x. 399 The best post-acceleration is effected by means of fine meshes. 1980 Aviation Week & Space Technol. (Nexis) 4 Aug. 60 The RADLAC 1 device is designed for 50-100 kiloamp. beam current, 2-3 Mv. per stage of post acceleration and 3-5 Mv. per meter average accelerating gradient. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.1940
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