However, in lab we also have " spin forbidden " reactions-- I assume this is a different kind of forbiddance?
परिभाषा
the action of prohibiting or inhibiting or forbidding (or an instance thereof); "they were restrained by a prohibition in their charter"; "a medical inhibition of alcoholic beverages"; "he ignored his parents'' forbiddance" पर्याय: prohibition, inhibition,
an official prohibition or edict against something पर्याय: ban, banning, forbidding,