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

• a group of viruses including those causing mumps and measles

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

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

• the state of being dangerous

• acting like a clown or buffoon

• paralysis of both arms and both legs

• a quantum of energy (in a crystal lattice or other system) that has position and momentum and can in some respects be regarded as a particle