Zigzag
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A zigzag is a pattern made up of small corners at variable angles, though constant within the zigzag, tracing a path between two parallel lines; it can be described as both jagged and fairly regular.
In geometry, this pattern is described as a skew apeirogon. From the point of view of symmetry, a regular zigzag can be generated from a simple motif like a line segment by repeated application of a glide reflection.
Although the origin of the word is unclear, its first printed appearances were in French-language books and ephemera of the late 17th century.[1]
Examples of zigzags[edit]
The trace of a triangle wave or a sawtooth wave is a zigzag.
Pinking shears are designed to cut cloth or paper with a zigzag edge, to lessen fraying.
In sewing, a zigzag stitch is a machine stitch in a zigzag pattern.
The zigzag arch is an architectural embellishment used in Islamic, Byzantine, Norman and Romanesque architecture.[2][3]
In seismology, earthquake recorded in a "zigzag line" form by using seismograph.[4]
See also[edit]
References[edit]
- ^ Google Books: "Word Origins and how we know them"
- ^ Allen, Terry (1986). "4". A Classical Revival in Islamic Architecture. Wiesbaden.
- ^ Allen, Terry (2008). Pisa and the Dome of the Rock (electronic publication) (2nd ed.). Occidental, California: Solipsist Press. ISBN 978-0-944940-08-2. Retrieved January 28, 2012.
- ^ "Seismograph - What is a seismograph?". SMS-Tsunami-Warning.com. Retrieved 8 January 2023.
Bibliography[edit]
- Wedgwood, Hensleigh (1855). "On Roots mutually connected by reference to the term Zig-zag". Transactions of the Philological Society (2).
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