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What is the meaning of LENS. Phrases containing LENS
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What is the meaning of LENS. Phrases containing LENS
See meanings and uses of LENS!LENS
LENS
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LENS
LENS
See under Lens.
LENS
n.
The half of a lens divided along a plane passing through its axis.
n.
One of the transparent lenslike cells in the ocelli of certain arthropods.
n.
A convex lens of glass for producing heat by converging the sun's rays into a focus.
n.
A lens convex on one side and concave on the other.
a.
Assisting sight, as a lens or the like.
n.
A lamp with lenses or reflectors to collect the rays of light and throw them in a given direction; -- used in lighthouses.
n.
An instrument for measuring the curvature of spherical surface, as of lenses for telescope, etc.
n.
An optical instrument consisting of two lenses set in a light frame, and worn to assist sight, to obviate some defect in the organs of vision, or to shield the eyes from bright light.
n.
An instrument with two lenses, by which an image of a single picture projected upon a screen of ground glass is made to present an appearance of relief, and may be viewed by several persons at once.
n.
The diaphragm used in optical instruments to cut off the marginal portions of a beam of light passing through lenses.
n.
A kind of watch crystal which is more than ordinarily flattened in the center; also, a species of convexoconcave lens for spectacles.
n.
An optical apparatus in which pictures are viewed through a large lens with stereoptical effects. It is often combined with the stereoscope.
n.
The art or process of exhibiting luminous images, especially those of external objects, in a darkened room, by arrangements of lenses or mirrors.
v. i.
To have the power of causing objects to appear larger than they really are; to increase the apparent dimensions of objects; as, some lenses magnify but little.
a.
Half lenticular or convex; imperfectly resembling a lens.
pl.
of Lens
n.
The reciprocal of the focal distance of a lens, used as measure of the divergence or convergence of a pencil of rays.
n.
A tool on which lenses are fastened in a group, for polishing or grinding.
n.
A disease of the eye, in which the iris adheres to the cornea or to the capsule of the crystalline lens.
LENS
LENS