The measurement of diffraction, especially the measurement of X-ray diffraction as a technique of X-ray crystallography; the use of a diffractometer.
1940s. From diffract + -ometry, after diffractometer.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。