nonpurple en · ADJ
Etymology
From non- + purple.
Meanings
-
(not-comparable) Not purple.
Photoheterotrophic bacteria are relatively rare and include members of the nonpurple sulfur bacteria; this group is relatively insignificant in the soil ecosystem.
1999, Malcolm E. Sumner, Handbook of Soil Science:Say you only hire purple workers. If purple workers strongly prefer to work with one another instead of with other groups, why might you prefer to hire a less productive purple worker than a more productive nonpurple worker at the same wage?
2015, Robert L. Sexton, Exploring Economics, page 509: