crescograph
English
editEtymology
editLatin crēscō (“to grow”) + -graph
Noun
editcrescograph (plural crescographs)
- A device for measuring growth in plants.
- 1920 February, Scientific American Monthly[1], page 120:
- For the detection of variation of growth it was necessary to devise the extremely sensitive balanced crescograph.
- 1920, Edward Jewitt Wheeler, “Are plant life and animal life essentially the same?”, in Current Opinion[2], volume 69, page 828:
- The magnetic crescograph, invented by the famed Indian botanist, Sir Jagadish Chandra Bose, for this purpose, seems capable of magnifying the highest powers of the microscope a hundred thousand times.
- 1936, J.C. Squire, The London Mercury, volume 33, page 511:
- His various "crescographs," or growth recorders, have steadily increased in sensitiveness, until in the latest, the magnetic crescograph, we have an instrument which magnifies the movement ten million times.