green indigo

Noun

 * The green indigo brought over from India in 1790, by Prinsep, appears to have been, according to the statements and researches of Bancroft, a substance analogous to chlorophyl, soluble in alcohol, and mixed with some ordinary indigo.
 * The green indigo brought over from India in 1790, by Prinsep, appears to have been, according to the statements and researches of Bancroft, a substance analogous to chlorophyl, soluble in alcohol, and mixed with some ordinary indigo.