from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rotating device that is used to investigate gravitropism in plants
from the GNU version of the Collaborative International Dictionary of English
- n. An apparatus consisting of a slowly revolving disk, usually regulated by clockwork, by means of wich the action of external agents, as light and gravity, on growing plants may be regulated or eliminated.
from The Century Dictionary and Cyclopedia
- n. An apparatus for equalizing or regulating the exposure of growing plants to sunlight, consisting essentially of a revolving disk moved by clockwork.
- n. See clinograph.
Sorry, no etymologies found.