Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

second

noun [C] (MEASUREMENT)
 
 
/ˈsek.ənd/ specialized

Definition

the smallest unit used for measuring an angle: There are 3,600 seconds in a degree.Describing angles, lines and orientations
(Definition of second noun (MEASUREMENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of second