The phrase "a special discussion" is correct and usable in written English.
It can be used when referring to a discussion that is unique or significant in some way, often implying that it has a particular purpose or importance.
Example: "We will hold a special discussion on the impact of climate change on our community next week."
Alternatives: "an important conversation" or "a unique dialogue".
Bob Woodward will hold a special discussion at the Newseum for the 40th anniversary of Watergate.
NBC had billed it in advance as a special discussion on the economy and politics.
There will be a special discussion focusing on the trends of brain drain within the context of the Arab region.
An informational Web site set up by Adoptive Families magazine has a special discussion forum for older adults with more than 500 members.
The Vamos Brigade, an international Nadal-watching Web site frequented mostly by enamored and effusive women, set up a special discussion devoted to Nadal's new short-sleeved shirts and more conventional shorts; the title was Official Mourning Thread.
Stemming from an increasing interest in shale gas research, a special discussion is provided on gas/oil disposition and migration in unconventional low-permeability reservoirs, wherein shale is treated as a nanocomposite material.
One may see Results and Discussion for a special treatment in the case of single biological replicate.
Join us for a very special discussion!
Cook was then asked about the retired off-spinner Graeme Swann's comment that he should not be in England's one-day team, which came in a Test Match Special discussion in the rain at Bristol.
The Knesset, Israel's parliament, recently broke for summer recess but is set to convene a special plenum discussion Wednesday to discuss the one-two punch of the fatal attack on the pride parade and the tragic results of an attack on a Palestinian family on Friday.
A couple of methodological issues deserve special discussion: first, the fixation procedure of nerve specimens that plays a critical role in the histological analysis.
