second (unit of time)

To make every second count; to work at top speed or with great urgency to complete a task.

To make the most of every moment; to work with great urgency or diligence.

(of a boxing referee) to administer the count following a knock-down, starting from "one"

millisecond, ms

second hand (of a clock)

a unit of time equal to one billionth of a second (10^-9 s)

microsecond, µs, 10^-6 s

parsec (astronomy)

the double prime symbol (″), used in mathematics, linguistics, and to denote arcseconds

attosecond (10⁻¹⁸ s)

femtosecond (10^-15 seconds)

a unit of time equal to one billionth of a second (10^-9 s)

to count the number of seconds (between two events)

each and every moment; every minute and every second

picosecond, ps, 10^-12 s

(slang) to respond to a message within seconds

to ejaculate within a few seconds during sex

to understand instantly

the rapid purchase or selling of goods during a limited-time online promotion

(coll.) to take in at a glance

in a matter of seconds; extremely rapidly or instantly