A "tornado outbreak" is often defined as six or more tornadoes produced by the same weather system within a day.

VOA: special.2010.05.11

Rockman often shows nature as defined by a struggle for survival with a never-ending repetition of life and death.

VOA: special.2010.12.15

This Cuban music or "son" is defined by the beat of the drum and the call of the singer.

VOA: special.2009.04.19

English law defined seditious libel as criticizing the government in such a way as to reduce public confidence.

VOA: special.2009.04.20

On Tuesday,the United States will hold congressional and state elections in a year defined by voter dissatisfaction.

VOA: special.2010.10.28

Experts say Ronald Reagan re-defined the American presidency during his two terms in the nineteen eighties.

VOA: special.2011.02.06

The Justice Department says domestic violence can be defined as a pattern of abusive behavior used by one partner in any relationship to control another partner.

VOA: special.2009.02.28

Premature or preterm births are defined as births at less than thirty-seven weeks.

VOA: special.2009.10.19

"Extreme poverty" is defined as earning less than one dollar a day.

VOA: special.2010.04.26

Ayn Rand said that "Atlas Shrugged" fully defined her philosophy of Objectivism.

VOA: special.2010.06.06

The band defined the kind of rock and roll known as "grunge."

VOA: special.2009.11.06

She refused to be defined by party politics or racial comparisons.

VOA: special.2011.03.20

We asked her how success is defined for a composer today.

VOA: special.2010.07.12

But his book defined one tradition of the vampire story.

VOA: special.2010.01.20