Immortality n. : The quality or state of being immortal; exemption from death and annihilation; unending existance; as, the immortality of the soul.

Immortality n. : Exemption from oblivion; perpetuity; as, the immortality of fame.

Example:
What are some things that symbolize Immortality?

Taxonomy
immortality, death, immortal, physical immortality, soul, body, cell, disease, eternal life, biological immortality, theory, Cryonics, Hell, existence, trauma, telomeres, telomerase, the afterlife.

Defination from the web:
immortality is the negation of mortality—not dying or not being subject to death—it has been a subject of fascination to humanity since at least the beginning of history. ... It is not known whether human physical immortality is an achievable condition. ...