THE WORLD POPULATION AND THE TOP TEN. COUNTRIES WITH THE HIGHEST POPULATION. The ten countries with the largest population in the world today. are China, India, United States, Indonesia, Brazil, Pakistan, Nigeria, Bangladesh, Russia and Mexico. TOP TEN COUNTRIES WITH THE HIGHEST POPULATION.
Ester Definition. An ester is an organic compound where the hydrogen in the compound's carboxyl group is replaced with a hydrocarbon group. Esters are derived from carboxylic acids and (usually) an alcohol. While carboxylic acid has the -COOH group, the hydrogen is replaced by a hydrocarbon in an ester.
Princeton's WordNet(3.00 / 1 vote)Rate this definition: 1  taper(noun) a convex shape that narrows toward a point. 2  taper(noun) the property possessed by a shape that narrows toward a point (as a wedge or cone) 3  wick, taper(noun) a loosely woven cord (in a candle or oil lamp) that draws fuel by capillary action up into the flame.