ˈvə:tɪkəl adj. & n. --adj. 1 at
right angles to a
horizontal plane,
perpendicular. 2 in a
direction from top to
bottom of a
picture etc. 3 of or at
the vertex or highest
point. 4
at, or
passing through, the
zenith. 5 Anat. of or relating to the
crown of the
head. 6 involving
all the levels in an organizational
hierarchy or stages in the
production of a
class of goods (vertical integration). --n. a vertical line or plane. øout of the vertical
not vertical. vertical angles
Math.
each pair of
opposite angles
made by
two intersecting lines. vertical
fin Zool. a
dorsal,
anal, or
caudal fin. vertical plane a plane at right angles to the horizontal. vertical take-off the take-off of an
aircraft directly upwards. øøverticality n. verticalize v.tr. (also -ise). vertically adv. [F vertical or LL verticalis (as VERTEX)]