#auxanometer

• Auxanograph — A technical apparatus or instrument for the automatic and continuous recording, on a chart or digital media, of the growth curve of plants or microorganism cultures over time; a combined device that measures and graphically plots organic dimensional variations.
• Auxanometer — A laboratory instrument or apparatus used for the precise measurement and dynamic tracking of the elongation rate of a plant's stem or organs, operating through the mechanical, optical, or digital amplification of the micrometric movements of growing plant tissues.