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1. Biology a collection of strands of specialized tissue such as nerve fibres
2. Botany short for vascular bundle
3. Textiles a measure of yarn or cloth; 60 000 yards of linen yarn; 5 or 10 pounds of cotton hanks



in mathematics, a two-parameter family of curves in the plane or in space that are linear functions of the parameters. Suppose F1, F2, and F3 are functions of two variables and none of the functions is a linear combination of the other two. The family of curves in the plane that are determined by the equation

(*) λ1F1 + λ2F2 + λ3F3 = 0

for all possible values of the parameters λ1, λ2, and λ3 (except for the case λ1 = 0, λ2 = 0, and λ3 = 0) constitutes a bundle. Equation (*) is in fact a function of two parameters—that is, of the two ratios λ1: λ2: λ3. In addition, it is immediately apparent that the parameters occur in this equation linearly. The equation of a bundle of surfaces in space is formed analogously. The three equations F1 = 0, F2 = 0, and F3 = 0 yield three elements of the bundle (three curves of three surfaces), which determine the entire bundle.

Bundles are usually considered whose elements are similar in certain respects; examples are a bundle of circles and a bundle of planes. We sometimes also speak of a bundle of lines in space; although the bundle is considered in space, its elements are curves rather than surfaces. Nevertheless, this case can be reduced to the case of a bundle of planes, since the pairwise intersections of elements of a bundle of planes determine a set of lines. In projective geometry, a bundle is understood to mean both sets—lines and planes—at once.


A triple (E, p, B), where E and B are topological spaces and p is a continuous map of E onto B ; intuitively E is the collection of inverse images under p of points from B glued together by the topology of X.


(1) To sell hardware and software as a combined product or to combine several software packages for sale as a single unit. Contrast with unbundle. See bundled software and bundling.

(2) A collection of files that are treated as one. See APP file.
References in periodicals archive ?
To reduce costs, maximize efficiency, and implement a bundler in a tree-length harvesting operation, this project tested a prototype harvesting system.
Slash Bundling System: John Deere 1490D Slash Bundler
The flurry of campaign activity in Houston comes about two weeks after Jeb Bush's campaign voluntarily released a list of its top 342 bundlers, 38 of whom are from Texas.
Gillespie's argument is problematic, because it only served to highlight the fact that Romney has refused to disclose the name of his own bundlers.
Washington, July 16 (ANI): More than 34 million dollars of US President Barack Obama's 86 million second quarter fundraising came from big money bundlers, a Politico analysis has revealed.
id=N00009638) 77 bundlers -- fundraisers who collect donations from friends and associates before delivering large checks to candidate in one "bundle" -- from the securities and investment sector, compared with more than 90 in 2008.
As for the contributions of less than $151, they could have been legally collected by a regulated bundler or anyone else.
However, being a winning bundler is about a lot more than just offering customers multiple services.
Known as the single-most important Republican bundler in East Texas, he raised $15,000 for Perry during the 2012 campaign, according to the Center for Responsive Politics.
Bundler is Clarity Legal Software's product for court reporters and law firms that want to distribute transcripts, exhibits, and video in an easy-to-use format.
Munoz III, a top Democratic bundler who became the finance chairman of the National Democratic Committee in 2013.