9-letter words containing g, r, b, i, t
- tonbridge — a market town in SE England, in SW Kent on the River Medway. Pop: 35 833 (2001)
- trembling — to shake involuntarily with quick, short movements, as from fear, excitement, weakness, or cold; quake; quiver.
- tribology — the study of the effects of friction on moving machine parts and of methods, as lubrication, of obviating them.
- troubling — to disturb the mental calm and contentment of; worry; distress; agitate.
- zeitgeber — an environmental cue, as the length of daylight or the degree of temperature, that helps to regulate the cycles of an organism's biological clock.