11-Letter Words Containing: A,O,O,R,R,S,T

• a minimally invasive operation to repair a damaged joint; the surgeon examines the joint with an arthroscope while making repairs through a small incision

• a unicellular organism having cells lacking membrane-bound nuclei; bacteria are the prime example but also included are blue-green algae and actinomycetes and mycoplasma

• a building designed and equipped to observe astronomical phenomena

• a structure commanding a wide view of its surroundings

• any fabric impervious to water

• a water-resistant coat

• not permitting the passage of water

• make watertight

• a gambler who plays the game of craps

• a type of endoscope that is inserted into a joint for visual examination

• The anterior segment of the insect thorax; it carries the first pair of legs

• a unicellular organism having cells lacking membrane-bound nuclei; bacteria are the prime example but also included are blue-green algae and actinomycetes and mycoplasma

• Someone who works as an assembly line worker in an automobile assembly plant.