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.
Look up Gregory in Wiktionary, the free dictionary. Gregory is a masculine first name. It is derived from the Latin name Gregorius, which was from the late Greek name Î³ÏÎ·Î³ÏÏÎ¹Î¿Ï (GrÄgorios) meaning watchful, alert (derived from Greek Î³ÏÎ·Î³oÏÎµá¿Î½ grÄgorein meaning to watch).Through folk etymology, the name also became associated with Latin grex (stem gregâ) meaning 'flock' or 'herd'.This association with a shepherd who diligently guides his flock contributed to the name's popularity among monks and popes.hrough folk etymology, the name also became associated with Latin grex (stem gregâ) meaning 'flock' or 'herd'. This association with a shepherd who diligently guides his flock contributed to the name's popularity among monks and popes.