Coolidge tuben.

Brit.

/ˈkuːlɪdʒ ˌtjuːb/,

/ˈkuːlɪdʒ ˌtʃuːb/, U.S.

/ˈkulɪdʒ ˌt(j)ub/

Origin: From a proper name, combined with an English element. Etymons: proper name Coolidge , tube n.

Etymology: < the name of William D. Coolidge (1873–1975), U.S. physicist, who developed the tube + tube n.

Physics.

A type of hot-cathode X-ray tube using a tungsten filament and used esp. as the basis of tubes in medical X-ray devices.

ΘΚΠ

the world > matter > physics > atomic nucleus > radioactivity > X-rays > [noun] > electron tube

X-ray tube1896

Coolidge tube1913

1913 Times 31 Dec. 66/4 The Coolidge tube..will not cheapen the cost of production, but its use will enable operators to control absolutely the power they wish to administer.

1941 Sci. Monthly Oct. 388/1 The machine used is a therapy apparatus with a Coolidge tube unit on a fixed mount.

1971 Jrnl. Physics & Chem. Solids 32 2518/1 For stimulating X-ray fluorescence, a G.E. CA7 Coolidge copper-target X-ray tube was used.

2001 R. R. Carlton & A. M. Adler Princ. Radiographic Imaging (ed. 3) vi. 113/1 Prior to the development of the Coolidge tube, the radiographer kept a selection of tubes of various mA values on a rack.

This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022).

单词	coolidge tube
释义	Coolidge tuben. Brit. /ˈkuːlɪdʒ ˌtjuːb/, /ˈkuːlɪdʒ ˌtʃuːb/, U.S. /ˈkulɪdʒ ˌt(j)ub/ Origin: From a proper name, combined with an English element. Etymons: proper name Coolidge , tube n. Etymology: < the name of William D. Coolidge (1873–1975), U.S. physicist, who developed the tube + tube n. Physics. A type of hot-cathode X-ray tube using a tungsten filament and used esp. as the basis of tubes in medical X-ray devices. ΘΚΠ the world > matter > physics > atomic nucleus > radioactivity > X-rays > [noun] > electron tube X-ray tube1896 Coolidge tube1913 1913 Times 31 Dec. 66/4 The Coolidge tube..will not cheapen the cost of production, but its use will enable operators to control absolutely the power they wish to administer. 1941 Sci. Monthly Oct. 388/1 The machine used is a therapy apparatus with a Coolidge tube unit on a fixed mount. 1971 Jrnl. Physics & Chem. Solids 32 2518/1 For stimulating X-ray fluorescence, a G.E. CA7 Coolidge copper-target X-ray tube was used. 2001 R. R. Carlton & A. M. Adler Princ. Radiographic Imaging (ed. 3) vi. 113/1 Prior to the development of the Coolidge tube, the radiographer kept a selection of tubes of various mA values on a rack. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022). < n.1913
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