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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 ?
According to media reports, he was a devout Catholic and Irish-American but neither a significant campaign contributor nor bundler.
Obama's campaign, which filed its 15,000-page quarterly report with the Federal Election Committee, is the only 2012 campaign to release the bundler data so far, and officials at his Chicago headquarters challenged other White House hopeful's to do the same.
Kaplan, a top cash "bundler" for President Obama's 2008 campaign finance committee, is being vetted by White House officials and is expected to be named to the post soon, according to the sources.
"Bundlers" are well-connected fundraisers, frequently corporate executives, who collect checks from colleagues or other associates, deliver them to a fundraising committee and receive credit for raising the money.
While it looks like Obama relies less on bundlers from this sector than McCain, "his campaign has ignored repeated requests from the Center for Responsive Politics and other watchdog groups to disclose his bundlers' employers and occupations," said CRP, with the $13 million so far attributed to such bundlers--called "Obamasaurs" by the New York Observer--"probably" an undercount.
-- La eleccion presidencial de noviembre en se anuncia como la mas cara de la historia de Estados Unidos, y los candidatos Barack Obama (democrata) y John McCain (republicano) tienen en su entorno a misteriosos captadores de fondos profesionales ("bundlers") capaces de recolectar sumas fabulosas.
Mr Obama's green light to his money bundlers came two days before he and Mrs Clinton were scheduled to meet in Washington with some of her top fund-raisers in a show of unity after their bruising contest for the Democratic presidential nomination.
But it seems advisable to do comprehensive screening of the biggest "bundlers," or aggregators, who raise huge sums from their personal and professional networks.
Perhaps it would benefit everyone if there were more Big Wilts and Benton Bundlers.
The second lesson is that campaign disclosure rules are woefully inadequate because they do not require any disclosure of bundlers. Any reporting now is voluntary and sketchy; the Clinton campaign, like others, does not make clear which bundlers have raised $100,000 and which brought in $850,000.
It is about lobbyists, donors, bundlers, consultants, ad makers, and the rest of the political-industrial complex.