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单词 crescograph
释义 crescograph|ˈkrɛskəgrɑːf, -æ-|
[irreg. f. L. crescĕre to grow + -o + -graph.]
An instrument invented by Sir Jagadis Chunder Bose (1858–1937), Indian plant physiologist, for recording the rate of growth in plants.
1918J. C. Bose Life Movements in Plants I. 157 High Magnification Crescograph.Ibid. 169 Magnetic Crescograph.1919Ibid. II. 255 Balanced Crescograph.1919― in Proc. R. Soc. B. XC. 365 (heading) Researches on growth and movement in plants by means of the high magnification crescograph.1957Encycl. Brit. III. 926/1 He [sc. Bose]..invented many delicate and sensitive instruments, such as his crescograph for recording plant growth, magnifying a small movement as much as 10,000,000 times.
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