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

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

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

VOA: special.2009.04.20

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

VOA: special.2010.04.26

The text defines genocide as the intentional killing of all or part of a designated people defined by their faith,their race, their ethnicity or their nationality.

VOA: standard.2010.03.19