EN Guano (via Spanish, ultimately from the Quechua wanu) is the accumulated excrement of seabirds, seals, or cave-dwelling bats.

EN Guanosine is a purine nucleoside comprising guanine attached to a ribose (ribofuranose) ring via a β-N9-glycosidic bond.

EN Guanosine-5'-triphosphate (GTP) is a purine nucleoside triphosphate.

EN Iguanodon (/ᵻˈɡwɑːnədɒn/ i-GWAH-nə-don; meaning "iguana-tooth") is a genus of ornithopod dinosaur that existed roughly halfway between the first of the swift...