Question

What is "domain specific vocabulary"?

Answer 1

you need the definition?

Answer 2

@Mehek14 and an example if you can please

Answer 3

Domain-specific academic vocabulary consists of relatively low-frequency, content-specific words that appear in textbooks and other instructional materials; for example, apex in math, escarpment in geography, and isobar in science

Copied from http://www.ascd.org/publications/educational-leadership/mar11/vol68/num06/A-Word-for-the-Words.aspx

Basically means very rare and specific words, specific to the subject.
Not 100% sure, but this is what I found... :)