Ultraviolet index. The ultraviolet index or UV Index is an international standard measurement of the strength of sunburn-producing ultraviolet (UV) radiation at a particular place and time. The scale was developed by Canadian scientists in 1992, then adopted and standardized by the UN's World Health Organization and World Meteorological Organization in 1994.
one-quarter-one of four equal parts; a quarter of a pound. fourth part, one-fourth, quarter, quartern, twenty-five percent, fourth. common fraction, simple fraction-the quotient of two integers.
A fiscal quarter is one of the four three-month periods that make up an organizationâs fiscal year. Fiscal quarter is abbreviated as Q and combined with dates to identify the specific period. For example, the fourth fiscal quarter of 2016 might be abbreviated as Q4 2016, Q4/16 or Q416. Because the fiscal years of some organizations donât correspond to the calendar year, fiscal quarters can be for various three-month periods.