16-letter words containing a, p, g, o, i, c
- sulu archipelago — an island group in the SW Philippines, separating the Sulawesi Sea from the Sulu Sea. 1086 sq. mi. (2813 sq. km). Capital: Jolo.
- supporting actor — performer: not lead
- trick photograph — a photograph that creates an illusion
- trucking company — a company that transports goods by lorry
- unapologetically — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- vapor channeling — Vapor channeling exists when vapor flow is distributed in an unequal way in a distillation vessel or stage.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- virginia cowslip — a perennial woodland plant (Mertensia virginica) of the borage family, native to E North America and having clusters of blue or purple, bell-shaped flowers