bunchern.

/ˈbʌntʃə/

Etymology: < bunch n.¹ or bunch v.² + -er suffix¹.

1. One who or that which bunches; spec. a machine for forming bunches or collecting things in bunches.

ΘΚΠ

society > occupation and work > equipment > machine > other specific machines > [noun]

reeler1598

driver1659

rubber1747

heading machine1795

bruiser1809

finisher1835

stripper1835

physionotype1836

rotary1836

tetraspaston1842

netting-machine1846

speeder1847

dresser1855

spacer1857

starcher1862

bronzing liquid, machine1865

finishing machine1869

grader1869

brain machine1872

peanut roaster1872

bending machine1874

screw-machine1876

tire-upsetting-machine1877

buncher?1881

flax-breaker1889

oscillator1889

fluoroscope1893

fluorometer1897

mucker1916

spray dryer1921

paver1926

teabagger1940

burster1950

icemaker1953

laminator1958

slipform (concrete) paver1958

extruder1959

Zamboni1965

manipulator1968

wave machine1968

pipelayer1969

walking machine1971

?1881 Census Eng. & Wales: Instr. Clerks classifying Occupations & Ages (?1885) 74 Straw Plait Buncher.

1909 Webster's New Internat. Dict. Eng. Lang. (at cited word) An asparagus buncher.

1921 Dict. Occup. Terms (1927) §399 Buncher, yarn buncher; (i) ties several hanks of yarn into bunches, in readiness for succeeding processes, bleaching, etc.; (ii) [=] crofter.

1930 C. S. Johnson Negro in Amer. Civilization (1931) v. 64 The lowest median weekly earners were..Tobacco bunchers $1.85.

1939 M. Spring Rice Working-class Wives vii. 164 She worked as a ‘buncher’ in flower gardens.

2. A device that modulates a beam of charged particles and causes them to collect together in ‘bunches’ or groups. Also attributive.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > electron tubes > [adjective]

buncher1939

reflex1942

the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > electron tubes > [noun] > buncher

buncher1939

the world > matter > physics > atomic physics > particle physics > particle accelerator > [noun] > devices in accelerators

stripper1959

buncher1962

laddertron1972

wiggler1974

1939 R. H. & S. F. Varian in Jrnl. Appl. Physics X. 324/1 The rhumbatron in which the electrons are given their first modulation of speed is called the ‘buncher’, and the one into which the bunches ‘break’ is called the ‘catcher’.

1948 J. B. H. Kuper in D. R. Hamilton et al. Klystrons & Microwave Triodes i. 11 The velocity of each electron depends on the instant at which it crossed the buncher gap.

1955 Science CXXII. 1131/3 The ion beam passes through the buncher, which applies a 24-megacycle ripple of 5 to 7 kev to the beam.

1962 M. S. Livingston & J. P. Blewett Particle Accelerators x. 333 The buncher..is merely a section of accelerator in which the phase velocity is matched to the particle velocity.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021).

单词	buncher
释义	bunchern. /ˈbʌntʃə/ Etymology: < bunch n.¹ or bunch v.² + -er suffix¹. 1. One who or that which bunches; spec. a machine for forming bunches or collecting things in bunches. ΘΚΠ society > occupation and work > equipment > machine > other specific machines > [noun] reeler1598 driver1659 rubber1747 heading machine1795 bruiser1809 finisher1835 stripper1835 physionotype1836 rotary1836 tetraspaston1842 netting-machine1846 speeder1847 dresser1855 spacer1857 starcher1862 bronzing liquid, machine1865 finishing machine1869 grader1869 brain machine1872 peanut roaster1872 bending machine1874 screw-machine1876 tire-upsetting-machine1877 buncher?1881 flax-breaker1889 oscillator1889 fluoroscope1893 fluorometer1897 mucker1916 spray dryer1921 paver1926 teabagger1940 burster1950 icemaker1953 laminator1958 slipform (concrete) paver1958 extruder1959 Zamboni1965 manipulator1968 wave machine1968 pipelayer1969 walking machine1971 ?1881 Census Eng. & Wales: Instr. Clerks classifying Occupations & Ages (?1885) 74 Straw Plait Buncher. 1909 Webster's New Internat. Dict. Eng. Lang. (at cited word) An asparagus buncher. 1921 Dict. Occup. Terms (1927) §399 Buncher, yarn buncher; (i) ties several hanks of yarn into bunches, in readiness for succeeding processes, bleaching, etc.; (ii) [=] crofter. 1930 C. S. Johnson Negro in Amer. Civilization (1931) v. 64 The lowest median weekly earners were..Tobacco bunchers $1.85. 1939 M. Spring Rice Working-class Wives vii. 164 She worked as a ‘buncher’ in flower gardens. 2. A device that modulates a beam of charged particles and causes them to collect together in ‘bunches’ or groups. Also attributive. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > electron tubes > [adjective] buncher1939 reflex1942 the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > electron tubes > [noun] > buncher buncher1939 the world > matter > physics > atomic physics > particle physics > particle accelerator > [noun] > devices in accelerators stripper1959 buncher1962 laddertron1972 wiggler1974 1939 R. H. & S. F. Varian in Jrnl. Appl. Physics X. 324/1 The rhumbatron in which the electrons are given their first modulation of speed is called the ‘buncher’, and the one into which the bunches ‘break’ is called the ‘catcher’. 1948 J. B. H. Kuper in D. R. Hamilton et al. Klystrons & Microwave Triodes i. 11 The velocity of each electron depends on the instant at which it crossed the buncher gap. 1955 Science CXXII. 1131/3 The ion beam passes through the buncher, which applies a 24-megacycle ripple of 5 to 7 kev to the beam. 1962 M. S. Livingston & J. P. Blewett Particle Accelerators x. 333 The buncher..is merely a section of accelerator in which the phase velocity is matched to the particle velocity. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021). < n.?1881
随便看	short squeeze short staple short stay apeek short stay-peak short staypeak short stepper short stop short story short straw short street short subject short suit short sun-fish short sunfish short supinator short sweetening short tennis short time short ton short turn short warning short wave short weapon short week short weight