| 释义 |
roent·gen
I. adjective
also rönt·gen \ˈren]tgən, ˈrən] also ]chən or ]tjən\
Etymology: International Scientific Vocabulary, from Wilhelm Conrad Röntgen died 1923 German physicist
: of or relating to the physicist Röntgen or to X rays
< roentgen examinations >
< roentgen therapy >
II. noun
also röntgen \“\
(-s)
Etymology: International Scientific Vocabulary, from Wilhelm Conrad Röntgen
: the international unit of X radiation or gamma radiation that is the amount of radiation producing under ideal conditions in one cubic centimeter of air at 0° C and 760 millimeters mercury pressure ionization of either sign equal to one electrostatic unit of charge |