Scotochromogenic

Scotochromogenic bacteria develop pigment in the dark or in the light. Runyon Group II nontuberculous mycobacteria are examples but the term could apply to many other organisms. ...
Found on http://en.wikipedia.org/wiki/Scotochromogenic

scotochromogenic

scotochromogen, scotochromogenic 1. A strain of mycobacteria that can form pigment with or without light. 2. Any microorganism that produces pigment when grown without light as well as with light.
Found on http://www.wordinfo.info/words/index/info/view_unit/1917/
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