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, …

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 …

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

1. In the second order, place, or rank: finished second. 2. But for one other; save one: the second highest peak.

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

He got out with seconds to spare. see also split second Wait a second—this email's been sent to me by mistake. This will only take a second. I hesitated for a second before speaking. For a second I …

Second definition: A brief interval of time; a moment.

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 the time.

You say second when you want to make a second point or give a second reason for something. The soil is depleted first by crops grown in it and second by bacterial action.