- grainThe harvested seeds of various grass food crops, especially wheat, maize, rye, barley, and rice.
- graniteA group of igneous and plutonic rocks composed primarily of feldspar and quartz. Usually contains one or more dark minerals, which may be mica, pyroxene, or amphibole. Granite is quarried for building stone, road gravel, decorative stone, and tombstones. Common colors are gray, white, pink, and yellow-brown.
- gramA unit of mass equal to one-thousandth of a kilogram. Symbol: g.
- grangeA granary.
- grangerA member of the Grange, National Grange of the Patrons of Husbandry, an association representing farmers.
- granularConsisting of, or resembling, granules or grains.
- granuleA tiny grain, a small particle.
- granumA stack-like structure in plant chloroplasts that contain chlorophyll; the site of photosynthesis.
- graniformFormed from or like corn.
- graoA traditional short Portuguese unit of length, equivalent to about 4.6 mm.