prasine /ˈpɹeɪziːn/noun 3adjective 1forms 1 noun3 •Pseudomalachite.It is possible that just as chrysocolla is silicated malachite, so prasine is phosphated malachite; the physical appearance of these minerals strongly confirms this view. — 1864 •(no longer used) A green gem; an emerald. •(no longer used) A type of green pigment. adjective1 •(no longer used) Synonym of leek-green.He recalled, in passing, the sweetness in his lap, her round little bottom, her prasine eyes as she turned toward him and the receding road. — 1969 formsprasines