verticalgap
nounUK /ˈvɜːtɪkəl ɡæp/
US /ˈvɜːrtɪkəl ɡæp/
A vertical gap is an empty space that goes up and down between two things.
There was a small vertical gap between the two tall buildings.
OTHER MEANINGS
2. In typography and layout, the vertical distance between lines or blocks of text.
Adjust the vertical gap between paragraphs to make the page easier to read.
3. In engineering, the measured clearance between two vertically aligned parts.
The engineer checked the vertical gap between the rail and the wheel.
4. In climbing or construction, an upward space that must be crossed or filled.
The climber paused before the vertical gap in the rock face.