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Definition of Line of sight
1. Noun. An imaginary straight line along which an observer looks.
Definition of Line of sight
1. Noun. A straight line along which an observer has a clear view. ¹
2. Noun. (context: weaponry) The line which passes through the front and rear sight, at any elevation, when they are sighted at an object. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Line Of Sight
Literary usage of Line of sight
Below you will find example usage of this term as found in modern and/or classical literature:
1. Macmillan's Magazine by David Masson, George Grove, John Morley, Mowbray Morris (1866)
"lines now adverted to, the line of sight is determined by the interval, ...
We have thus the line of sight; of which the space between the eye and the ..."
2. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1881)
"... due to Relative Motions in the Line of Sight." By EJ STONE, FRS, Director of
the Radcliffe Observatory, Oxford. Received January 17, 1881. ..."
3. The Astrophysical Journal by American Astronomical Society, University of Chicago (1899)
"SPECTROSCOPIC observations for motion in the line of sight are said to be reduced
to the Sun when they have been corrected for whatever motions the observer ..."
4. Mirrors, Prisms and Lenses: A Text-book of Geometrical Optics by James Powell Cocke Southall (1918)
"70 the line of sight joining the object-point Mi with the spectator's eye at E
is perpendicular at AI and AS to the parallel faces of the transparent slab, ..."
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