13-Letter Words Containing: I,S,T,R,A,L

• a drug used to reduce stress or tension without reducing mental clarity

• a literate person who can arrange items in alphabetical order

• the formation of crystals

• Any solid with conventional crystalline properties but exhibiting a point group symmetry inconsistent with translational periodicity

• remedy that prevents or slows the course of an illness or disease

• contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse

• capable of preventing conception or impregnation

• warding off

• preventing or contributing to the prevention of disease

• To crystallize again; especially as a means of purification.