Time considered as an independent variable in the analysis or measurement of time-dependent phenomena.
 Example sentencesExamples
-  The time domain may at times lend itself more readily to visual interpretation.
 -  The beginning of data input and output was synchronized via trigger lines so that multiple data blocks could be averaged in the time domain.
 -  Next month we will take a look at transmission line tests and measurements in the time domain.
 -  Here, rescaling the rotational velocity is equivalent to stretching the time domain.
 -  The frames are analyzed in a time domain to produce at least one comparison index, after which an appropriate block size is selected for the transform coder.