パラ水すい素そMeanings1nounpara-hydrogenchemistryTechnical term in chemistry referring to the spin isomer of molecular hydrogen with antiparallel nuclear spins.パラ水すい素そは、低てい温おんで安あん定ていな水すい素そ分ぶん子しの状じょう態たいです。Para-hydrogen is the stable state of hydrogen molecules at low temperatures.
