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Definition of Cross wire
1. Noun. Either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration. "He had the target in his cross hairs"
Lexicographical Neighbors of Cross Wire
Literary usage of Cross wire
Below you will find example usage of this term as found in modern and/or classical literature:
1. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1867)
"A very remarkable increase of all the effects, accompanied by a diminution in
the resistance of the machine, is observed when a cross wire is placed so as ..."
2. Elements of the Mathematical Theory of Electricity and Magnetism by Joseph John Thomson (1895)
"The observer looks through the telescope and observes the division on the scale
at the end of the magnet with which a cross wire in the telescope coincides; ..."
3. The Pruning-book: A Monograph of the Pruning and Training of Plants as by Liberty Hyde Bailey (1898)
"Another high Knif- fiu training, and which is also confined to the vicinity of
Marlboro', New York, is the Cross- Wire, represented in Fig. 310. ..."
4. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1890)
"The oblong eye permits a certain amount of play in the cross-wire, so that it
can be pressed back against the helical spring when a force is applied at the ..."
5. Topographic Instructions of the United States Geological Survey by Geological Survey (U.S.) (1913)
"Having the instrument carefully leveled, note a small object about 300 feet
distant that one end of a horizontal cross wire touches, turn the instrument on ..."
6. The Theory of Light by Thomas Preston (1901)
"In the foregoing we have supposed the cross wire movable while the compensator
remains fixed, but in M. Jamin's apparatus the cross wire remains fixed and ..."
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