The second (symbol: s) is a unit of time derived from the division of the day, first into hours, then into minutes, and lastly into seconds, for a total of 24 × 60 × 60 = 86 400 seconds per day. That …

Ordinal numbers in English show the position or order of things—like first, second, third, and so on. They’re used all the time in everyday English, whether you’re talking about dates, competitions, …

3 days ago · 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 A light flashing once per second. The second (symbol: s), is a unit of time. There are 60 seconds in a minute, 60 minutes in an hour, and 24 hours in a day. This tradition dates back to the …

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

Define second. second synonyms, second pronunciation, second translation, English dictionary definition of second. n. 1. a. A unit of time equal to one sixtieth of a minute. b. The time needed for a …

Historical perspective: Unit of time, second Before 1960, the unit of time the second, was defined as the fraction 1/86 400 of the mean solar day. The exact definition of "mean solar day" was left to …

27 senses: 1. a. coming directly after the first in numbering or counting order, position, time, etc; being the ordinal number.... Click for more definitions.

Jun 12, 2026 · second (third-person singular simple present seconds, present participle seconding, simple past and past participle seconded) (Should we move, merge or split (+) this sense?) …