Property of points all lying on a single line

<span class="mw-page-title-main">Collinearity</span>

Collinearity

<p>In <a href="/en/Geometry" title="Geometry" class="wl">geometry</a>, <b>collinearity</b> of a set of <a href="/en/Point_(geometry)" title="Point (geometry)" class="wl">points</a> is the property of their lying on a single <a href="/en/Line_(geometry)" title="Line (geometry)" class="wl">line</a>.<span class="mw-ref reference" id="cite_ref-1"><a href="#cite_note-1" style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text">[1]</span></a></span> A set of points with this property is said to be <b>collinear</b> (sometimes spelled as <b>colinear</b><span class="mw-ref reference" id="cite_ref-2"><a href="#cite_note-2" style="counter-reset: mw-Ref 2;"><span class="mw-reflink-text">[2]</span></a></span>). In greater generality, the term has been used for aligned objects, that is, things being "in a line" or "in a row".</p>

<div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none" about="#mwt1">Property of points all lying on a single line</div>
<style data-mw-deduplicate="TemplateStyles:r1033289096" typeof="mw:Extension/templatestyles mw:Transclusion">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}</style>
<style data-mw-deduplicate="TemplateStyles:r1134653256" typeof="mw:Extension/templatestyles mw:Transclusion">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:#f9f9f9;display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><div class="side-box side-box-right plainlinks sistersitebox" about="#mwt5"><style data-mw-deduplicate="TemplateStyles:r1126788409" typeof="mw:Extension/templatestyles">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style>
<div class="side-box-flex">
<div class="side-box-image"><span class="noviewer"><span><img loading="lazy" alt="Wiktionary-logo-en-v2.svg" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png" decoding="async" data-file-width="512" data-file-height="512" data-file-type="drawing" height="40" width="40" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/60px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/80px-Wiktionary-logo-en-v2.svg.png 2x"></span></span></div>
<div class="side-box-text plainlist">Look up <i><b><a href="https://en.wiktionary.org/wiki/collinearity" title="wiktionary:collinearity" class="extiw" target="_blank">collinearity</a></b></i><span>&nbsp;</span>or <i><b><a href="https://en.wiktionary.org/wiki/collinear" title="wiktionary:collinear" class="extiw" target="_blank">collinear</a></b></i> in Wiktionary, the free dictionary.</div></div>
</div>



In geometry, collinearity of a set of points is the property of their lying on a single line. A set of points with this property is said to be collinear . In greater generality, the term has been used for aligned objects, that is, things being "in a line" or "in a row". 