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.
The name Harmony is derived from an English vocabulary word that ultimately came from the Greek âharmoniaâ. In Greek mythology Harmonia was the goddess of brotherhood, sisterhood, happy marriages and harmony.