French Meaning: The name Jocelyn is a French baby name. In French the meaning of the name Jocelyn is: Medieval male name adopted as a feminine name. German Meaning: The name Jocelyn is a German baby name.
The metric unit (in SI) for time is the second (s). The official definition of second is now (after CIPM): the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom; this definition refers to a caesium atom at rest at a temperature of 0 K.
The period of the object's motion is defined as the time for the object to complete one full cycle. Being a time, the period is measured in units such as seconds, milliseconds, days or even years. The standard metric unit for period is the second. An object in periodic motion can have a long period or a short period. For instance, a pendulum bob tied to a 1-meter length string has a period of about 2.0 seconds.