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.
French private soldier, 1914, from French poilu, literally hairy, from poil hair, not of the head, but of beards, animal coats, etc., from Latin pilus (see pile (n.3)). In 19c. French the adjective had a secondary sense of strong, brave, courageous (Balzac).