from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Having the same metabolic capabilities and nutritional requirements as the wild type parent strain: prototrophic bacteria.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to a prototroph or to prototrophy
from The Century Dictionary and Cyclopedia
- Requiring for growth only simple inorganic substances, as carbon dioxid and ammonia or nitrous acid and a few mineral salts: a term used by A. Fischer to designate a group of nitrifying bacteria characterized by a very primitive metabolism. Compare metatrophic and paratrophic.
Sorry, no etymologies found.