Ionic substances form giant ionic lattices lattice: A lattice is a regular grid-like arrangement of atoms in a material. containing oppositely charged ions. They have high melting and boiling points, and conduct conduct: To allow electricity, heat or other energy forms to pass through.
Show popularity chart. Dejah is a contemporary respelling of the French word dÃ©jÃ . The name Deja is usually found in the French phrase dÃ©jÃ  vu (already seen). DÃ©jÃ  vu is an expression which refers to the feeling that someone has already experienced what is currently happening.
Jamais vu (from French, meaning never seen) is a term in psychology which is used to describe any familiar situation which is not recognized by the observer. Often described as the opposite of dÃ©jÃ  vu, jamais vu involves a sense of eeriness and the observer's impression of seeing the situation for the first time, despite rationally knowing that he or she has been in the situation before.