365bet中国官方网站

  • word of the day

    carbon-14 dating

    carbon-14 dating - 365bet中国官方网站 definition and meaning for word carbon-14 dating

    Definition
    (noun) a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14; believed to be reliable up to 40,000 years

  • Word used in video below:
    text: I just dropped Paige off at the carbon-dating lecture.
    Download our Mobile App Today