The term half-life is one we apply to radioactive materials to talk about how quickly they decay. The half-life is the time it takes for half of a given sample of the unstable substance (whatever it may be) to undergo radioacitve decay.
Harmony [har-mo-ny]â² as a girls' name (also used less regularly as boys' name Harmony) is pronounced HAR-mon-ee. It is of Latin origin, and the meaning of Harmony is unity, concord. A new age name. Mythology: Harmonia was the Greek goddess of order and daughter of Aphrodite.
Bella: derived from the word bell, an English baby name that simply means the ringer of the bell. Also popular is the French version of this musical baby name, Belle (best known from Disneyâs heroine of the Beauty and the Beast). Dreama: a musical baby name of American origin, it means âjoyous musicâ. Celebrity baby name for actress Dreama Walker, best known for being part of the successful TV series Gossip Girl. Harmony: a synchonization of chords in a melodic accord.