second (270 synonym found)

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Definition of second:

(n) : the SI unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground state at a temperature of absolute zero and at rest; one-sixtieth of a minute; a unit of angle equal to one-sixtieth of a minute of arc or one part in 3600 of a degree
"I'll be there in a second."
(v) : to agree as a second person to (a proposal), usually to reach a necessary quorum of two; transfer temporarily to alternative employment
"I second the motion."
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Definition of second:

(n) : the SI unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground state at a temperature of absolute zero and at rest; one-sixtieth of a minute; a unit of angle equal to one-sixtieth of a minute of arc or one part in 3600 of a degree
"I'll be there in a second."
(v) : to agree as a second person to (a proposal), usually to reach a necessary quorum of two; transfer temporarily to alternative employment
"I second the motion."

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