Physics. specific gravity.
SGA small for gestational age
noun, plural sgabellos Italian, sgabelli [zgah-bel-lee] /zgɑˈbɛl li/ (Show IPA). Italian Furniture. 1. a side chair of the Renaissance, consisting of a small seat, usually octagonal, often resting on a cubical part and supported either on two carved planks set transversely on edge or on three legs, with a back formed from a carved plank.
noun 1. a model railroad gauge of 7/8 inch (2.2 cm).
SGC soft gel cap