A half-life is based on the decay rate of a particular isotope of a given element. It is a natural characteristic of that given radionuclide, and it is the amount of time it takes for a sample of it to decay to the point where half of it is gone and half the original sample remains.
English Meaning: The name Shepherd is an English baby name. In English the meaning of the name Shepherd is: Shepherd. Shakespearean Meaning: The name Shepherd is a Shakespearean baby name.In Shakespearean the meaning of the name Shepherd is: The Winter's Tale' The reputed father of Perdita is an old shepherd in the play.SoulUrge Number: 1. Expression Number: 11.n English the meaning of the name Shepherd is: Shepherd. Shakespearean Meaning: The name Shepherd is a Shakespearean baby name. In Shakespearean the meaning of the name Shepherd is: The Winter's Tale' The reputed father of Perdita is an old shepherd in the play. SoulUrge Number: 1. Expression Number: 11.
[ 2 syll. ja-cob, jac-ob ] The baby boy name Jacob is pronounced as JHEY-KahB (English) or YAA-KaoP (Dutch) â . Jacob is used chiefly in the Dutch, English, German, and Scandinavian languages, and its origin is Hebrew. The name's meaning is Yahweh may protect; holder of heel; supplanter. A biblical name, it is derived from the elements 'yahweh' name of God ; 'aqeb' meaning heel ; 'aqab' to supplant, to cheat. The name Jacob is from the Yaakov (Hebrew) or Yakubel (Hebrew). The usual English form James shares the same roots and is from the byform Iacomus (Latin), itself from Iacobus (Latin).