13-Letter Words Containing: A,A,I,R,U

• beyond the usual course of legal proceedings; legally unwarranted

• of or relating to quadraphony

• a group of viruses including those causing mumps and measles

• a group of four men

• any four copies; any of four things that correspond to one another exactly

• having four units or components

• reproduce fourfold

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

• Any of a group of single-stranded RNA viruses belonging to the family Paramyxoviridae, which are the second most common cause of lower respiratory tract infection in younger children.

• the act of preparing a summary (or an instance thereof); stating briefly and succinctly