adj. Having a greenish hue; becoming somewhat green in color.
the GNU version of the Collaborative International Dictionary of English
adj. Slightly green; greenish.
The Century Dictionary and Cyclopedia
Slightly green; greenish.
Word Usage
"Two green hairstreak butterflies, gracefully viridescent, dance past on a soft wind that sifts through reeds, sets waving the tall golden flower stems of bog asphodel, and silky white plumes of cottongrass that has colonised the old peat-diggings."