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The apparent-time hypothesis is a methodological construct in sociolinguistics whereby language change is studied by comparing the speech of individuals of different ages. If language change is taking place, the apparent-time hypothesis assumes that older generations will represent an earlier form of the language and that younger generations will represent a later form.
In physics and the philosophy of science, instant refers to an infinitesimal interval in time, whose passage is instantaneous.In ordinary speech, an instant has been defined as "a point or very short space of time," a notion deriving from its etymological source, the Latin verb instare, from in-+ stare ('to stand'), meaning 'to stand upon or near.' [1]
At This Point in Time is an album by an eleven-piece band led by jazz drummer Elvin Jones that was recorded in 1973 and released in 1998. [1] Track listing
Discrete time views values of variables as occurring at distinct, separate "points in time", or equivalently as being unchanged throughout each non-zero region of time ("time period")—that is, time is viewed as a discrete variable. Thus a non-time variable jumps from one value to another as time moves from one time period to the next.
In music a time point or timepoint (point in time) is "an instant, analogous to a geometrical point in space". [1] Because it has no duration, it literally cannot be heard, [2] but it may be used to represent "the point of initiation of a single pitch, the repetition of a pitch, or a pitch simultaneity", [3] therefore the beginning of a sound, rather than its duration.
Time scale may refer to: Time standard, a specification of either the rate at which time passes, points in time, or both; A duration or quantity of time: Orders of magnitude (time) as a power of 10 in seconds; A specific unit of time; Geological time scale, a scale that divides up the history of Earth into scientifically meaningful periods
For a given observer, the t-axis is defined to be a point traced out in time by the origin of the spatial coordinate x, and is drawn vertically. The x-axis is defined as the set of all points in space at the time t = 0, and is drawn horizontally. The statement that the speed of light is the same for all observers is represented by drawing a ...