Sorry to be rude but I wish you would just stfu. A simple google of definition, first hit (there's a pun for you) is from womensaid.org.uk:
What is domestic abuse?
We define domestic abuse as an incident or pattern of incidents of controlling, coercive, threatening, degrading and violent...
Yes! He broke her nose! You are a bloke still, it seems, trying to minimise it. I'm glad that FB has had to stand down from her position with Refuge, totally inappropriate for her to continue, however sad she is about it.