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organo- +‎ -gen


organogen (plural organogens)

  1. (chemistry, dated) Any of the four elementscarbon, hydrogen, oxygen, and nitrogen — that are especially characteristic of organic compounds.
  2. (chemistry, dated) Any of certain other elements sometimes found in organic compounds, such as sulphur and phosphorus.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for organogen in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)