14-Letter Words Containing: I,E,S,T,R,U,A,L

• not finally or definitely formed

• without real or apparent crystalline form

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

• having four units or components

• reproduce fourfold

• a solid substance in the form of tiny loose particles; a solid that has been pulverized

• the act of grinding to a powder or dust

• annihilation by pulverizing something

• 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