Science as Fundamentalism, and Militant Atheism

I was watching a lot of videos on YouTube of Richard Dawkins in a couple different interviews, both here in the states and elsewhere, and one thing that I heard people accusing him of was something they called militant atheism. Just what is militant atheism?After looking online for a definition here are some that I found:1. "Carry[ing] on untiring atheist propaganda and an untiring atheist fight"