green-blindness
- n dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
green-eyed monster
- n a feeling of jealous envy (especially of a rival)
green adder's mouth
- n North American orchid having a solitary leaf and flowers with threadlike petals
green alder
- n North American shrub with light green leaves and winged nuts
- n shrub of mountainous areas of Europe
green algae
- n algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water
green apple aphid
- n bright green aphid; feeds on and causes curling of apple leaves
green arrow arum
- n perennial herb of the eastern United States having arrowhead-shaped leaves and an elongate pointed spathe and green berries
green ash
- n a variety of red ash having glossy branchlets and lower leaf surfaces
green bean
- n immature bean pod eaten as a vegetable
- n a common bean plant cultivated for its slender green edible pods
green beret
- n a soldier who is a member of the United States Army Special Forces
green bristlegrass
- n European foxtail naturalized in North America; often a troublesome weed