In traditional oil and gas wells, drillers use a vertical bore hole.
We saw a little bit of blue fire just forward of the vertical rudder, the upper rudder.
I had to time my vertical motion of the camera to his descent.
I bought wine and I made a wine list and it was the first wine list of its kind: vertical, horizontal, and diagonal.
Not put on display in Recife was the one substantial piece of the A330 yet found, its vertical stabilizer.
Presently he saw the vertical beams of the sun again piercing the opening in the distance.
We will suppose the axis of the sun to be vertical for the sake of simplicity.
Evidently, the quantity of wood surrounding the vertical wire at e must be twice as great as that surrounding the wires b and c.
It was axiomatic that there had to be some sort of vertical structure to society, naturally.
Certainly, the fallacy of counting on vertical steel to carry load, in addition to the concrete, has been abundantly shown.
1550s, "of or at the vertex, directly overhead," from Middle French vertical (1540s), from Late Latin verticalis "overhead," from Latin vertex (genitive verticis) "highest point" (see vertex). Meaning "straight up and down" is first recorded 1704.
vertical ver·ti·cal (vûr'tĭ-kəl)
Of or relating to the vertex of the head.
Being or situated at right angles to the horizon; upright.