crescograph


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cres·co·graph

(kres'kō-graf),
A device for recording the degree and rate of growth.
[L. cresco, to grow, + G. graphō, to draw or write]
References in periodicals archive ?
(10) The crescograph in particular, an incredible instrument capable of recording plant growth under the influence of various stimuli (gases, temperature, chemicals, electricity) measured increments of growth at intervals of a second, magnifying plant response up to 10,000 times.
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.cnet.com/news/google-doodle-celebrates-scientist-jagdish-chandra-bose/) according to CNET .