African grey
— Noun
– English
~ commonly domesticated grey parrot with red-and-black tail and white face; native to equatorial Africa
American grey birch
— Noun
– English
~ medium-sized birch of eastern North America having white or pale grey bark and valueless wood; occurs often as a second-growth forest tree
arrowleaf groundsel
— Noun
– English
~ perennial with sharply toothed triangular leaves on leafy stems bearing a cluster of yellow flower heads; moist places in mountains of western North America
as a group
— Adverb
– English
~ all together; "the students turned out en masse"
alkyl group
— Noun
– English
~ any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
age group
— Noun
– English
~ a group of people having approximately the same age
air group
— Noun
– English
~ a unit of the United States Air Force larger than a squadron and smaller than a wing
alcohol group
— Noun
– English
~ the chemical group -OH
aldehyde group
— Noun
– English
~ the chemical group -CHO
amphibole group
— Noun
– English
~ a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum
allyl group
— Noun
– English
~ the univalent unsaturated organic radical C3H5; derived from propylene