To a stranger it is just a little confusing to be so parabolic—so to speak.
The walls then rise, in parabolic outline, to a pointed apex.
A type of parabolic reflector now in use is shown in fig. 30.
The two shapes in use are the triangular and the parabolic or balloon-shaped.
The parabolic mirror will reflect the star to a perfect focus.
They got him out of the parabolic ...