Unfenestrated
/ʌnˈfɛnɪstɹeɪtɪd/
"Unfenestrated" in a Sentence (2 examples)
These double cannula tubes may be fenestrated or unfenestrated with a connector that fits with 15 mm ventilator tubing.
On the engineering diagrams the Pump Room's maybe about twenty meters directly beneath the centermost courts […] – an unfenestrated oval chamber with six man-sized curved ducts radiating up and out to exit points on the grounds above.