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trajectory

A trajectory is the path a moving object follows through space as a function of time.

In control theory a trajectory is a time-ordered set of states of a dynamical system (see e.g. Poincaré map). In discrete mathematics, a trajectory is a sequence (f^k(x))_{k \in \mathbb{N}} of values calculated by the iterated application of a mapping f to an element x of its source.
The object might be a projectile or a satellite, for example. It thus includes the meaning of orbit—the path of a planet, an asteroid or a comet as it travels around a central mass. A trajectory can be described mathematically either by the geometry of the path, or as the position of the object over time.
by beejayjat February 21, 2011
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Trifecta

An act whereby a man is able, in one night, to gain access to all three holes of a meretricious woman.

This can be summed easily into a wonderfully simplistic mnemonic: the yapper, the snapper, and the crapper.
Man, that chick is a fucking freak! I scored a trifecta on the first date with her.
by chalmetteshocker December 16, 2008
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Trifecta of Death

The combination of alcohol, benzodiazepines and heroin.
Scott died last night from the Trifecta of Death.
by Anty127 March 11, 2016
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trifecta of smoking power

When you smoke a cross joint and blow your fucking mind.
THATS, life.
This cross joint has a trifecta of smoking power.
by N!C0 December 16, 2008
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trifecta

1. a horse-race betting combination wherein you pick three horses to win, place, and show. A difficult bet to win, with long odds and high returns.

2. Something President Bush said when a combination of three threats appeared and turned his popularity rating around in the 2001-2002 period.
by Figleaf23 January 2, 2009
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Amazing Trifecta

A disease where poor black people can buy cars, mattreses, and houses for only $500 dollars down!!
Yo Chocolandra, im gonna go get me sum amazing trifecta
by Noskcaj June 20, 2006
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trifect

To submit oneself to the influence of three mind-altering substances simultaneously, particularly alcohol, marijuana, and cocaine.
Sorry man, I can't trifect tonight-- I got work tommorrow. I already been doing lines and boozing all night.
by Shiney May 5, 2005
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