15-Letter Words Containing: I,S,T,R,Y,S,T

• a therapist who deals with mental and emotional disorders

• therapist who treats injury or dysfunction with exercises and other physical treatments of the disorder

• The branch of chemistry that involves the spatial arrangement of the atoms of molecules, and studies how this affects the physical and chemical properties of such species

• The effect of such spatial arrangement on the chemistry of a particular compound

• an astronomer who studies the physical properties of celestial bodies