Hour and Second

Hour noun - A period of time equal to 1/24th of a day.

Second and hour are semantically related. in period topic. In some cases you can use "Second" instead a noun "Hour", when it comes to topics like brief time period.

Nearby Word: hourly

Second noun - A very small space of time.

Hour and second are semantically related. You can use "Hour" instead a noun "Second".

Nearby Words: secondary, seconded, secondly, secondment, seconder