date and time
121time dilation — noun Date: 1934 a slowing of time in accordance with the theory of relativity that occurs in a system in motion relative to an outside observer and that becomes apparent especially as the speed of the system approaches that of light called also… …
122time card — noun Date: circa 1891 a card used with a time clock to record an employee s starting and quitting times each day or on each job …
123time clock — noun Date: 1887 a clock that stamps starting and quitting times on an employee s time card …
124time lag — noun Date: 1892 an interval of time between two related phenomena (as a cause and its effect) …
125and how — adverb Date: 1865 used to emphasize the preceding idea < having a great time and how! > …
126time and a half — noun Date: 1888 payment for work (as overtime or holiday work) at one and a half times the worker s regular wage rate …
127time line — noun Date: 1951 1. a table listing important events for successive years within a particular historical period 2. (usually timeline) a schedule of events and procedures ; timetable 2 …
128time machine — noun Date: 1895 a hypothetical device that permits travel into the past and future …
