world line


Also found in: Dictionary, Wikipedia.

world line

See spacetime.

world line

[′wərld ‚līn]
(relativity)
A path in four-dimensional space-time that represents a continuous sequence of events relating to a given particle.
References in periodicals archive ?
where [[bar.X].sub.[mu]] is a point of the world line.
Now, also recall that the world line element d[S.sup.2] from which the metric tensor is formulated is obtained from the fundamental line element d[bar.S] (r, [theta], [phi]).
Business software and services company UNIT4 announced on Monday VITA Cloud Angel, a cloud solution that supports the Agresso Business World line of ERP software.
Chris Kilham, ethnobotanist and the host of "Medicine Hunter," collaborated with Enzymatic Therapy to develop the Better World line. He says Better World was designed to safeguard the indigenous cultures that have been the custodians of natural plant-based trade, and benefit-sharing for the people who cultivate, harvest and work with medicinal plants in the fields.
One of the biggest areas of scrutiny concerns its plans for the three product lines that now comprise its portfolio: the PeopleSoft-based Enterprise line, JD Edwards-based Enterprise One line, and JD Edwards' iSeries-based World line. The company is adamant that it will retain all three lines, and has the resources to fully support and develop them, with every executive at its European Connect user conference last week mouthing the mantra that the acquisition was about expansion not consolidation.
Memphis, Tenn.-based Kraft Food Ingredients introduced the latest addition to its Cuisines of the World line at IFT 1999--Cuisine of Mexico-Puebla Style, a creative blend of ingredients and cooking styles indigenous to the Central Mexico region.
Jenny, aged 13, of Station Street West, Foleshill, Coventry, who is a pupil at Cardinal Wiseman School, was second in the junior youth class at the World Line Dancing Championships in Nashville Tennessee last year.
the deep-discount drug chain has enlarged its offerings in the category by carrying the supplier's Vitamin World line on an exclusive basis outside NBTY's own retail outlets.
The whole sequence comprises a world line, borrowing a term from general relativity.
In this case, the world line of [p.sub.1] would not be continuous at t = 3 because, if we take as f(t) the function defined by the x coordinate of [p.sub.1], then [lim.sub.t[right arrow]3-] f(t) = -[infinity] while f(3) = r.
For pure chocolate lovers, the World line is indisputably a must.
The world line element in Schwarzschild's field is well known to be given by [1]

Full browser ?