Glossary:G Words

gastropod ( gas·tro·pod / ˈɡastrəˌpäd ) noun

one of a class of mollusks that includes the snails and nudibranchs.

gill ( ɡil ) noun

the paired respiratory organ of fishes and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx.

graywater noun

Wastewater drained from sinks, tubs, showers, dishwashers, clothes washers, and other non-toilet sources.

groundwater ( ground·wa·ter / ˈɡroundˌwôdər ) noun

water contained below ground in soil and rock.