Word Origin & History. vivify 1590s, from O.Fr. vivifier (12c.), from L.L. vivificare make alive, restore to life, from vivificus enlivening, from L. vivus alive (see vivid) + root of facere to make (see factitious). Vivificate in same sense is recorded from early 15c.
BORN BIG High-birthweight newborns, such as this 4-day-old 19-pound baby (center) born to a diabetic mother, face health risks into adulthood.
In developed countries, the average birth weight of a full-term newborn is approximately 3.4 kg (71â2 lb), and is typically in the range of 2.7â4.6 kg (6.0â10.1 lb).