All 8 Uses

dissertation
in
The Girl Who Played with Fire
(Edited)

She's working on her doctorate and she'll be defending her dissertation this year.
Part 2 *

dissertation = a scholarly paper required for an advanced academic degree
I'm writing a popular version of her dissertation and adding my own research.
Part 2

dissertation = lengthy academic paper
It's the focus of Mia's dissertation, so to speak.
Part 2

dissertation = a scholarly paper required for an advanced academic degree
Actually, no. In two months I have to defend my dissertation and become a full-fledged doctor, and I feel as cool as a cucumber.
Part 2
In less than a month she had to defend her dissertation.
Part 2
She recognized a phrase in the text that was a word-for-word quotation from Johansson's dissertation.
Part 2

dissertation = lengthy academic paper
If suppressing Dag's articles—or Mia's dissertation, for that matter—was the motive for the murders, then we have to beef up security here in the office.
Part 3
Or Mia's dissertation … I don't know.
Part 3

Definitions:

(1) (dissertation)
a lengthy academic paper -- especially a scholarly work required for an advanced academic degree
(2) (meaning too rare to warrant focus)