Biodiversity, a portmanteau of bio (life) and diversity, generally refers to the variety and variability of life on Earth. According to the United Nations Environment Programme (UNEP), biodiversity typically measures variation at the genetic, the species, and the ecosystem level.
Meaning of Christopher. English name. In English, the name Christopher means-He who holds Christ in his heart. Famous Bearers: actors Christopher Plummer and Christopher Walken; explorer Christopher Columbus..Other origins for the name Christopher include-English, Biblical.The name Christopher is most often used as a boy name or male name.English Name Meaning-He who holds Christ in his heart. Famous Bearers: actors Christopher Plummer and Christopher Walken; explorer Christopher Columbus.eaning of Christopher. English name. In English, the name Christopher means-He who holds Christ in his heart. Famous Bearers: actors Christopher Plummer and Christopher Walken; explorer Christopher Columbus..
Freebase(5.00 / 1 vote)Rate this definition: Christopher Columbus. Christopher Columbus was an Italian explorer, navigator, and colonizer, born in the Republic of Genoa, in what is today northwestern Italy. Under the auspices of the Catholic Monarchs of Spain, he completed four voyages across the Atlantic Ocean that led to general European awareness of the American continents.