The phrase "a describing" is not correct in standard written English.
It is not a usable construction as it lacks clarity and proper grammatical structure.
Example: "I need a describing word for this noun."
Alternatives: "a descriptive" or "a defining".
For example, in trial 1, partner A heard his own voice describing the objects, while partner B heard a stranger's voice (partner A) describing the objects in his experiment.
Entertainment Weekly gave the episode an "A", describing it as "one of TV's most disturbing hours" and as "a cinematic feast for the eyes, packed with audacious wit".
The A.V. Club Todd VanDerWerff rated the episode an A, describing it as "an episode where the show crystallizes and clarifies its central mission".
Zack Handlen of The A.V. Club gave it an A–, describing it as "smart, well-paced, and exciting, and Modell is memorable for being a very human monster who manages to be both well-drawn and unsympathetic".
The A.V. Clubs Noel Murray graded the episode with an A, describing "Worlds Apart" as an "exciting, emotional episode" that "seems to resolve some of this season's storylines while setting up the upcoming two-part season finale".
Entertainment Weekly gave "Syzygy" an A, describing the episode as "another uproarious send-up, this time of teen venom, B-movie paranoia, and our agents' painfully restrained rapport", with praise to the villains and the discussion on why Mulder always drives, considered "one of Mulder's and Scully's funniest exchanges".
Now Playing magazine reviewer Arnold T Blumburg gave "The Unquiet Dead" a grade of A-, descriting it as "spectacular", though he noted there were "a few hiccups, such as the weak and convenient plot point that forces the Gelth... to be drawn out of their human hosts by the mere presence of gas".
Panel A describes these behaviors.
GAPDH primers are a described previously [35].
Is it a verb, describing an action?
A strange way of describing a person.
