12-Letter Words Containing: ASTRO

• the branch of astronomy concerned with the physical and chemical properties of celestial bodies

• extremely harmful; bringing physical or financial ruin

• the process of deformation that produces continents and ocean basins in the earth's crust

• an event resulting in great loss and misfortune

• a state of extreme (usually irremediable) ruin and misfortune

• a sudden violent change in the earth's surface

• the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life

• a type of endoscope for visually examining the stomach

• The muscle at the back of the calf, whose insertion is the Achilles tendon at the heel.