For closed systems with no external source or sink of energy, the first law of thermodynamics states that a system's energy is constant unless energy is transferred in or out by mechanical work or heat, and that no energy is lost in transfer. This means that it is impossible to create or destroy energy.
Grogan Name Meaning. reduced Anglicized form of Gaelic O Ã³ âgrugain grÃºgÃ¡in Descendantâ, of grugan grÃºgÃ¡n a personal name from a âdiminutiveâ, âofâ.grug GrÃºg anger fierceness Reduced ANGLICIZED Form âof gaelic Oâ, Ã³ gruagain gruagÃ¡in descendant of gruagan gruagÃ¡n a âpersonalâ. name from a diminutive of gruag hairlick on a circle in the chart to view Grogan birth and death records. An unusually short lifespan might indicate that your ancestors lived in harsh conditions. A short lifespan might also indicate health problems that were once prevalent in your family.
Meaning of Griff. Welsh name. In Welsh, the name Griff means-Fighting chief; fierce. The fierce Gryphon of Greek mythology and medieval legend was a creature with foreparts of an eagle and hindquarters of a lion..The name Griff originated as an Welsh name.The name Griff is most often used as a boy name or male name.Welsh Name Meaning-Fighting chief; fierce. The fierce Gryphon of Greek mythology and medieval legend was a creature with foreparts of an eagle and hindquarters of a lion.Origin-Welsh. Expression num - 1.he name Griff is most often used as a boy name or male name. Welsh Name Meaning-Fighting chief; fierce. The fierce Gryphon of Greek mythology and medieval legend was a creature with foreparts of an eagle and hindquarters of a lion. Origin-Welsh. Expression num - 1.