13-Letter Words Containing: A,A,E,P,R,U

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

• having four units or components

• reproduce fourfold

• 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.

• be specific about

• 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

• paralysis of both arms and both legs

• involving four parties

• being or having the properties of camphor

• Any of the former family Papovaviridae, now split into the Papillomaviridae and Polyomaviridae families, of viruses that cause papillomas or polyomas in animals.