বৃদ্ধি কৰ্বৃদ্ধি হ
বৃদ্ধি মেতা (Assamese)
1. An auxanometer (Gr. auxain= "to grow" + metron= "measure") is an apparatus for measuring increase of growth in plants. In case of an arc-auxanometer (see picture), there is a thin cord fixed to the plant... from wikipedia.org