12-Letter Words Starting: AST

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

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

• the feeling that accompanies something extremely surprising

• In an astounding manner; so as to astound, surprise, or amaze.

• (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people

• (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point

• relating or belonging to the science of astronomy

• inconceivably large

• relating to or concerned with astrology