15-Letter Words Containing: Y,A,A,R,S

• Any member of the Paramyxoviridae family of negative-sense single-stranded RNA viruses responsible for a number of human and animal diseases.

• the quality of being brachycephalic

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• the formation of crystals

• a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces

• a mental synthesis that becomes fixed or concrete by a process resembling crystal formation

• the branch of science that studies the formation and structure of crystals