This phenomenon is complex and involves a variety of unconscious biases, but the general idea is that this describes situations where successful women will undermine her female colleagues.
Many successful women scientists have been supported by great organizations. For example, check out WWEST (Westcoast Women in Engineering, Science and Technology) – www.wwest.ca
Charles Darwin delays publishing the Origin of Species by 20 years in part because mentor Adam Sedgwick writes that evolution is an idea that “could have been written by a woman.”