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.
DÃ©jÃ  vu is a word from the French language, meaning âalready seen.â. It is known as the phenomenon of having the strong sensation that an event or the experience currently being experienced has been experienced in the past, or is a vision that has been seen of a currently happening experience or event.