The word "more chronometrical" pertains to something that is measured or recorded with greater precision and accuracy in terms of time. Its synonyms include "more exact," "more precise," or "more rigorous." These words indicate a higher level of detail and specificity in measuring time intervals, such as seconds, minutes, or even milliseconds. Other synonyms for the term may include "more scientific" or "more systematic," which both suggest a more thorough and consistent approach to time measurement. Ultimately, the use of any of these synonyms for "more chronometrical" highlights the importance and value placed on precise and accurate time measurement for any given purpose.