largeness of size, shape, or mass
the main or largest part
appear important or play an important part
"the majority of his customers prefer it"
"the bulk of the work is finished"
"it is cheaper to buy it in bulk"
"he received a mass of correspondence"
"the volume of exports"
"The parcel bulked in the sack"
The bulk is not equal to sample.
出自：Oxford English Dictionary
Some qualities which bulk very high for one sex, drop to practical insignificance for the other.
出自： G. Gorer