crescograph


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crescograph

(ˈkrɛskəˌɡrɑːf)
n
(Botany) botany an instrument for measuring plant growth
References in periodicals archive ?
30, 1858, and until his death in 1937 was renowned for his work in physics, biophysics, radio science and the invention of the crescograph.
The crescograph, which is the main feature of Bose's "doodle," is used to measure plants reactions to "various stimuli, proving a parallel between animal and plant tissues," (https://www.
He elaborated his point by citing how Sir Bose made the crescograph available to the society instead of patenting it.