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{%type%} Definitions

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Short "hint"

adj. - Having the shape of anything that has a form resembling that of a cone.

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Usage examples (3)
  • The central rays of light are blocked out by means of an opaque stop while the peripheral rays are reflected from the paraboloidal sides of the condenser and refracted...
  • Its upper surface is paraboloidal in shape, as a spherical surface will not unite in a sharp focus the rays coming from a distant object.
  • When first seen, it wore the aspect of a nebula; later it put on the distinctive garb of a comet; it next appeared as a star; finally, it dilated, first in a spherical, then in...
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