The sea had excavated to the depth of sixty feet in the course of fourteen years, or perhaps a shorter period.
Any animal which hatches from an egg has undergone a longer or shorter period of development within the egg-shell before hatching.
All birds are hatched from eggs, which undergo a longer or shorter period of incubation outside the body of the mother, and which are, in most cases, laid in a nest and incubated by the parents.
Most reptiles lay eggs from which the young hatch after a longer orshorter period of incubation.
You may sometimes be enabled to afford a little more time to the chapter: but you will find it quite fatal ever to devote a shorter period to it.
All appeals must be taken from the patent office within a year, or a shorter period, if one has been fixed in a decision.
A lease is for the use of land, usually for a few years or shorter period.
The reason for this rule is, the law does not divide a day into a shorter period or time except when this is required in judicial proceedings.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "shorter period" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.