norm 
/ˈnoɚm/ noun
plural norms /ˈnoɚm/ noun 1 norms [plural] : standards of proper or acceptable behavior
▪ social/cultural norms 2 the norm : an average level of development or achievement
▪ She scored well above/below the norm in math. 3 the norm : something (such as a behavior or way of doing something) that is usual or expected
▪ Smaller families have become the norm. ▪ Women used to stay at home to take care of the children, but that's no longer the norm.
▪ social/cultural norms
▪ She scored well above/below the norm in math.
▪ Smaller families have become the norm. ▪ Women used to stay at home to take care of the children, but that's no longer the norm.
