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.
metric unit, metric - a decimal unit of measurement of the metric system (based on meters and kilograms and seconds); convert all the measurements to metric units; it is easier to work in metric. miles per gallon - the distance traveled in a vehicle powered by one gallon of gasoline or diesel fuel.