Carbon-dating estimation is a method of determining the AGE of an object by measuring the amount of carbon-14 present in it. This technique is used to estimate the AGE of organic materials, such as wood, bones, and shells, that are up to 50, 000 years old. The AGE of the object is determined by comparing the amount of carbon-14 present in the sample to the amount of carbon-14 present in the atmosphere at the time the object was created. The answer to the crossword for the term Carbon-Dating Estimation is AGE.