The answer to that is 21 days exactly, although you need to bear in mind that this can vary, depending on a number of circumstances. Generally speaking however, fertile chicken eggs which are hatched out by a hen will take 21 days before you see little faces staring at you from underneath their mamma's wings.
In linguistics, a register is a variety of a language used for a particular purpose or in a particular social setting.
Definition of record for Students. 1  1 : something written to give proof of something or tell about past events I read the historical record. 2  2 : something that recalls or tells about past events the fossil record. 3  3 : a performance or achievement that is the best of its kind It's a new record for the fastest mile.