原子半径

atomic radius

surname Yuan / (Japanese surname) Hara

former / original / primary / raw / level / cause / source

atom / atomic

son / child / seed / egg / small thing / 1st earthly branch: 11 p.m.-1 a.m., midnight, 11th solar month (7th December to 5th January), year of the Rat / Viscount, fourth of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / ancient Chinese compass point: 0° (north) / subsidiary / subordinate / sub-

(noun suffix)

half / semi- / incomplete / (after a number) and a half

radius

footpath / track / diameter / straight / directly