The second (symbol: s) is a unit of time derived from the division of the day first into 24 hours, then to 60 minutes, and finally to 60 seconds each (24 × 60 × 60 = 86400). The current and …

The meaning of SECOND is next to the first in place or time. How to use second in a sentence.

SECOND definition: 1. immediately after the first and before any others: 2. the position in which a person finishes a…. Learn more.

Second definition: next after the first; being the ordinal number for two.. See examples of SECOND used in a sentence.

In science, a second is the time it takes for a caesium atom to vibrate 9,192,631,770 (around 9 billion) times. Scientists measure the second this way because the length of a day changes all …

1. Coming next after the first in order, place, rank, time, or quality. 2. a. Repeating an initial instance: a second chance. b. Reminiscent of one that is well known: a second George …

Master the word "SECOND" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.