n
(physics) The Newtonian concept of an unchanging and unchangeable reference system of spatial (and temporal) coordinates that is the same for all observers
n
(physics) The Newtonian concept of an unchanging and unchangeable reference system of time and spatial coordinates that is the same for all observers
n
The system of measurements based on force, and independent of acceleration of gravity.
n
(physics) The Newtonian concept of an unchanging and unchangeable reference system of time (and spatial) coordinates that is the same for all observers
adj
(physics) Describing a set of points in a spacetime, no two of which have timelike separation
n
(mathematics, physics) The angle turned, in a given time, by a body rotating about an axis; the rate of rotation through an angle.
n
(physics) The direction of time within a four-dimensional relativistic view of the cosmos.
n
(mathematics, physics) A beam of particles treated as a mathematical space.
n
(physics) A light-like boundary of the domain of validity of a Cauchy problem. One side of the horizon contains closed space-like geodesics and the other side contains closed time-like geodesics.
n
(countable) A unit of angle equal to the hundredth part of a quadrant. Its symbol is gon.
n
(signal processing) The inverse Fourier transform of the logarithm of a magnitude spectrum; used especially in voice analysis.
n
(physics) A vector change in velocity, especially a small change as a result of a corresponding change in some other parameter
n
(physics) A point in spacetime having three spatial coordinates and one temporal coordinate.
n
(mathematics, physics) A space in which a generalization of quantum mechanics is described in terms of a system with a finite number of degrees of freedom
n
(physics) A brane having five (spatial) dimensions.
n
(mathematics) The application of mathematics to the geosciences
n
(physics) Synonym of Hamiltonian
n
(physics) A multidimensional generalization of a twistor.
n
(mathematics, physics) A coordinate system (or a frame of reference) defined with respect to the distant stars, whose relative positions do not change over reasonably long periods of time
adj
Of or relating to the integration of finite element analysis into conventional NURBS-based computer-aided design tools.
n
(physics) A form of spacetime that is rotated about some axis
n
(physics) An event (point identifying kime and space) in spacekime
n
(physics) A generalisation of time in a complex spacetime
n
A mathematical model for the behavior of a large set of coupled oscillators, used in neuroscience etc.
n
Alternative letter-case form of Lagrangian [(astrophysics) an object residing in a Lagrange point / Lagrangian point]
n
(physics) A particular length or distance whose value is determined to one order of magnitude (or to very few orders of magnitude)
n
Alternative form of length scale [(physics) A particular length or distance whose value is determined to one order of magnitude (or to very few orders of magnitude)]
n
(mathematics, relativity) A transformation relating the spacetime coordinates of one frame of reference to another in special relativity.
n
Synonym of Gabor wavelet
n
(physics) Any of a group of related physical units defined in terms of natural constants.
n
(mathematics) A collection of points related by the evolution function of a dynamical system.
n
(physics) a two-dimensional diagram capturing the causal relations between different points in spacetime
adj
(physics) Prior to the existence of spacetime
adj
(physics) Describing an extended but finite spacetime domain
n
(physics) Half of a wave.
n
(physics) Synonym of hexaquark.
n
A point where a measured variable reaches unmeasurable or infinite value.
n
(physics) Alternative form of spacetime [(uncountable, physics) The four-dimensional continuum of the three spatial dimensions plus time.]
n
(physics) A complex generalisation of spacetime
adj
(mathematics, of a four-vector) having a space component of greater magnitude than its time component multiplied by the speed of light
n
(relativity) A specific region of the universe with mathematically different properties than the surrounding spacetime. Synonymous with "metric" within the context of general relativity.
n
(physics) Synonym of gravitational singularity
n
a network topology consisting of a physical star and a logical ring.
n
(string theory) Synonym of superspace
n
The coordinate system that uses Talairach coordinates.
n
The instantaneous velocity (speed) of a body moving along a circular (or elliptical) path
n
(physics, usually uncountable) A dimension of spacetime with the opposite metric signature to space dimensions; the fourth dimension.
n
(physics) The time in which a physical system's response to a step-wise change in an external variable reaches approximately 63% of its final (asymptotic) value.
adj
Alternative spelling of timelike [(mathematics, physics) Of a four-vector in representing a point in spacetime, having a positive or negative four-vector norm for the metric signature (+, -, -, -) and (-, +, +, +) respectively.]
n
(sciences) The variation of a quantity over time
adj
(physics) (of the interval between two events in spacetime) Having overlapping light cones, so that information can pass from one to the other, and one can be envisaged as a cause of the other.
adj
Represented using voxels
n
Alternative form of zero G [zero gravity]
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